9956020

素因数分解:

$2^2\times 5^1\times {\mathrm{497801}}^1$

素因数の和:497810

約数の個数: 12

約数和(自身を含む): 20907684

約数和(自身を除く): 10951664

約数列:

[1, 2, 4, 5, 10, 20, 497801, 995602, 1991204, 2489005, 4978010, 9956020]

約数ペア:

[(1, 9956020), (2, 4978010), (4, 2489005), (5, 1991204), (10, 995602), (20, 497801)]