Q: What is the sum of all factors of the number 1,242,020 excluding 1,242,020?
A: 1,742,668
The factors of the number 1,242,020 are: 1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 281, 340, 442, 562, 884, 1105, 1124, 1405, 2210, 2810, 3653, 4420, 4777, 5620, 7306, 9554, 14612, 18265, 19108, 23885, 36530, 47770, 62101, 73060, 95540, 124202, 248404, 310505, 621010, 1242020.
If you add them up, you will get the total of 1,242,021. Now subtract 1,242,020 to get 1,742,668