The factors of the number 20,411,028 are: 1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 23, 27, 33, 36, 44, 46, 54, 66, 69, 81, 83, 92, 99, 108, 132, 138, 162, 166, 198, 207, 243, 249, 253, 276, 297, 324, 332, 396, 414, 486, 498, 506, 594, 621, 747, 759, 828, 891, 913, 972, 996, 1012, 1188, 1242, 1494, 1518, 1782, 1826, 1863, 1909, 2241, 2277, 2484, 2673, 2739, 2988, 3036, 3564, 3652, 3726, 3818, 4482, 4554, 5346, 5478, 5589, 5727, 6723, 6831, 7452, 7636, 8217, 8964, 9108, 10692, 10956, 11178, 11454, 13446, 13662, 16434, 17181, 20169, 20493, 20999, 22356, 22908, 24651, 26892, 27324, 32868, 34362, 40338, 40986, 41998, 49302, 51543, 61479, 62997, 68724, 73953, 80676, 81972, 83996, 98604, 103086, 122958, 125994, 147906, 154629, 188991, 206172, 221859, 245916, 251988, 295812, 309258, 377982, 443718, 463887, 566973, 618516, 755964, 887436, 927774, 1133946, 1700919, 1855548, 2267892, 3401838, 5102757, 6803676, 10205514, 20411028.
If you add them up, you will get the total of 61,641,216.