Q: What is the sum of all factors of the number 820,688,860 excluding 820,688,860?

A: 954,510,020

Why is 954,510,020 the sum of all factors of 820,688,860, excluding 820,688,860?

The factors of the number 820,688,860 are: 1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 389, 740, 778, 1556, 1945, 2851, 3890, 5702, 7780, 11404, 14255, 14393, 28510, 28786, 57020, 57572, 71965, 105487, 143930, 210974, 287860, 421948, 527435, 1054870, 1109039, 2109740, 2218078, 4436156, 5545195, 11090390, 22180780, 41034443, 82068886, 164137772, 205172215, 410344430, 820688860.

If you add them up, you will get the total of 820,689,814. Now subtract 820,688,860 to get 954,510,020