Q: What is the sum of all factors of the number 20,020,005 excluding 20,020,005?

A: 17,549,709

Why is 17,549,709 the sum of all factors of 20,020,005, excluding 20,020,005?

The factors of the number 20,020,005 are: 1, 3, 5, 9, 15, 23, 29, 45, 69, 87, 115, 145, 207, 261, 345, 435, 529, 667, 841, 1035, 1305, 1587, 2001, 2523, 2645, 3335, 4205, 4761, 6003, 7569, 7935, 10005, 12615, 15341, 19343, 23805, 30015, 37845, 46023, 58029, 76705, 96715, 138069, 174087, 230115, 290145, 444889, 690345, 870435, 1334667, 2224445, 4004001, 6673335, 20020005.

If you add them up, you will get the total of 20,020,022. Now subtract 20,020,005 to get 17,549,709