20942400620

素因数分解:

$2^2\times 5^1\times {\mathrm{1047120031}}^1$

素因数の和:1047120040

約数の個数: 12

約数和(自身を含む): 43979041344

約数和(自身を除く): 23036640724

約数列:

[1, 2, 4, 5, 10, 20, 1047120031, 2094240062, 4188480124, 5235600155, 10471200310, 20942400620]

約数ペア:

[(1, 20942400620), (2, 10471200310), (4, 5235600155), (5, 4188480124), (10, 2094240062), (20, 1047120031)]