Q: What is the sum of all factors of the number 1,640,446 excluding 1,640,446?
A: 820,226
The factors of the number 1,640,446 are: 1, 2, 820223, 1640446.
If you add them up, you will get the total of 1,641,266. Now subtract 1,640,446 to get 820,226