Q: What is the sum of all factors of the number 20,428,732 excluding 20,428,732?
A: 15,411,828
The factors of the number 20,428,732 are: 1, 2, 4, 409, 818, 1636, 12487, 24974, 49948, 5107183, 10214366, 20428732.
If you add them up, you will get the total of 20,428,747. Now subtract 20,428,732 to get 15,411,828