The factors of the number 221,020,020 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 29, 30, 36, 39, 45, 52, 58, 60, 65, 78, 87, 90, 116, 117, 130, 145, 156, 174, 180, 195, 234, 260, 261, 290, 348, 377, 390, 435, 468, 522, 580, 585, 754, 780, 870, 1044, 1131, 1170, 1305, 1508, 1740, 1885, 2262, 2340, 2610, 3257, 3393, 3770, 4524, 5220, 5655, 6514, 6786, 7540, 9771, 11310, 13028, 13572, 16285, 16965, 19542, 22620, 29313, 32570, 33930, 39084, 42341, 48855, 58626, 65140, 67860, 84682, 94453, 97710, 117252, 127023, 146565, 169364, 188906, 195420, 211705, 254046, 283359, 293130, 377812, 381069, 423410, 472265, 508092, 566718, 586260, 635115, 762138, 846820, 850077, 944530, 1133436, 1227889, 1270230, 1416795, 1524276, 1700154, 1889060, 1905345, 2455778, 2540460, 2833590, 3400308, 3683667, 3810690, 4250385, 4911556, 5667180, 6139445, 7367334, 7621380, 8500770, 11051001, 12278890, 14734668, 17001540, 18418335, 22102002, 24557780, 36836670, 44204004, 55255005, 73673340, 110510010, 221020020.
If you add them up, you will get the total of 747,124,560.