The factors of the number 20,011,560 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 67, 76, 95, 114, 120, 131, 134, 152, 190, 201, 228, 262, 268, 285, 335, 380, 393, 402, 456, 524, 536, 570, 655, 670, 760, 786, 804, 1005, 1048, 1140, 1273, 1310, 1340, 1572, 1608, 1965, 2010, 2280, 2489, 2546, 2620, 2680, 3144, 3819, 3930, 4020, 4978, 5092, 5240, 6365, 7467, 7638, 7860, 8040, 8777, 9956, 10184, 12445, 12730, 14934, 15276, 15720, 17554, 19095, 19912, 24890, 25460, 26331, 29868, 30552, 35108, 37335, 38190, 43885, 49780, 50920, 52662, 59736, 70216, 74670, 76380, 87770, 99560, 105324, 131655, 149340, 152760, 166763, 175540, 210648, 263310, 298680, 333526, 351080, 500289, 526620, 667052, 833815, 1000578, 1053240, 1334104, 1667630, 2001156, 2501445, 3335260, 4002312, 5002890, 6670520, 10005780, 20011560.
If you add them up, you will get the total of 64,627,200.