The factors of the number 20,432,790 are: 1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 27, 30, 35, 38, 42, 45, 54, 57, 63, 70, 90, 95, 105, 114, 126, 133, 135, 171, 189, 190, 210, 266, 270, 285, 315, 342, 378, 399, 513, 569, 570, 630, 665, 798, 855, 945, 1026, 1138, 1197, 1330, 1707, 1710, 1890, 1995, 2394, 2565, 2845, 3414, 3591, 3983, 3990, 5121, 5130, 5690, 5985, 7182, 7966, 8535, 10242, 10811, 11949, 11970, 15363, 17070, 17955, 19915, 21622, 23898, 25605, 30726, 32433, 35847, 35910, 39830, 51210, 54055, 59745, 64866, 71694, 75677, 76815, 97299, 107541, 108110, 119490, 151354, 153630, 162165, 179235, 194598, 215082, 227031, 291897, 324330, 358470, 378385, 454062, 486495, 537705, 583794, 681093, 756770, 972990, 1075410, 1135155, 1362186, 1459485, 2043279, 2270310, 2918970, 3405465, 4086558, 6810930, 10216395, 20432790.
If you add them up, you will get the total of 65,664,000.