Q: What is the sum of all factors of the number 23,427,105 excluding 23,427,105?

A: 20,699,103

Why is 20,699,103 the sum of all factors of 23,427,105, excluding 23,427,105?

The factors of the number 23,427,105 are: 1, 3, 5, 13, 15, 17, 37, 39, 51, 65, 85, 111, 185, 191, 195, 221, 255, 481, 555, 573, 629, 663, 955, 1105, 1443, 1887, 2405, 2483, 2865, 3145, 3247, 3315, 7067, 7215, 7449, 8177, 9435, 9741, 12415, 16235, 21201, 24531, 35335, 37245, 40885, 42211, 48705, 91871, 106005, 120139, 122655, 126633, 211055, 275613, 360417, 459355, 600695, 633165, 1378065, 1561807, 1802085, 4685421, 7809035, 23427105.

If you add them up, you will get the total of 23,427,125. Now subtract 23,427,105 to get 20,699,103