Q: What is the sum of all factors of the number 16,551,220 excluding 16,551,220?

A: 23,883,440

Why is 23,883,440 the sum of all factors of 16,551,220, excluding 16,551,220?

The factors of the number 16,551,220 are: 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 16889, 33778, 67556, 84445, 118223, 168890, 236446, 337780, 472892, 591115, 827561, 1182230, 1655122, 2364460, 3310244, 4137805, 8275610, 16551220.

If you add them up, you will get the total of 16,551,243. Now subtract 16,551,220 to get 23,883,440