The factors of the number 131,536,020 are: 1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 71, 77, 84, 105, 110, 132, 140, 142, 154, 165, 210, 213, 220, 231, 284, 308, 330, 355, 385, 401, 420, 426, 462, 497, 660, 710, 770, 781, 802, 852, 924, 994, 1065, 1155, 1203, 1420, 1491, 1540, 1562, 1604, 1988, 2005, 2130, 2310, 2343, 2406, 2485, 2807, 2982, 3124, 3905, 4010, 4260, 4411, 4620, 4686, 4812, 4970, 5467, 5614, 5964, 6015, 7455, 7810, 8020, 8421, 8822, 9372, 9940, 10934, 11228, 11715, 12030, 13233, 14035, 14910, 15620, 16401, 16842, 17644, 21868, 22055, 23430, 24060, 26466, 27335, 28070, 28471, 29820, 30877, 32802, 33684, 42105, 44110, 46860, 52932, 54670, 56140, 56942, 61754, 65604, 66165, 82005, 84210, 85413, 88220, 92631, 109340, 113884, 123508, 132330, 142355, 154385, 164010, 168420, 170826, 185262, 199297, 264660, 284710, 308770, 313181, 328020, 341652, 370524, 398594, 427065, 463155, 569420, 597891, 617540, 626362, 797188, 854130, 926310, 939543, 996485, 1195782, 1252724, 1565905, 1708260, 1852620, 1879086, 1992970, 2192267, 2391564, 2989455, 3131810, 3758172, 3985940, 4384534, 4697715, 5978910, 6263620, 6576801, 8769068, 9395430, 10961335, 11957820, 13153602, 18790860, 21922670, 26307204, 32884005, 43845340, 65768010, 131536020.
If you add them up, you will get the total of 466,808,832.