20407150

素因数分解:

$2^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{5591}}^1$

素因数の和:5676

約数の個数: 24

約数和(自身を含む): 38484144

約数和(自身を除く): 18076994

約数列:

[1, 2, 5, 10, 25, 50, 73, 146, 365, 730, 1825, 3650, 5591, 11182, 27955, 55910, 139775, 279550, 408143, 816286, 2040715, 4081430, 10203575, 20407150]

約数ペア:

[(1, 20407150), (2, 10203575), (5, 4081430), (10, 2040715), (25, 816286), (50, 408143), (73, 279550), (146, 139775), (365, 55910), (730, 27955), (1825, 11182), (3650, 5591)]