Q: What is the sum of all factors of the number 1,681,220 excluding 1,681,220?
A: 1,849,384
The factors of the number 1,681,220 are: 1, 2, 4, 5, 10, 20, 84061, 168122, 336244, 420305, 840610, 1681220.
If you add them up, you will get the total of 1,681,221. Now subtract 1,681,220 to get 1,849,384