9977020

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2237}}^1$

素因数の和:2469

約数の個数: 24

約数和(自身を含む): 21055104

約数和(自身を除く): 11078084

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 2237, 4460, 4474, 8948, 11185, 22370, 44740, 498851, 997702, 1995404, 2494255, 4988510, 9977020]

約数ペア:

[(1, 9977020), (2, 4988510), (4, 2494255), (5, 1995404), (10, 997702), (20, 498851), (223, 44740), (446, 22370), (892, 11185), (1115, 8948), (2230, 4474), (2237, 4460)]