20518923

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{479}}^1$

素因数の和:722

約数の個数: 16

約数和(自身を含む): 27878400

約数和(自身を除く): 7359477

約数列:

[1, 3, 109, 131, 327, 393, 479, 1437, 14279, 42837, 52211, 62749, 156633, 188247, 6839641, 20518923]

約数ペア:

[(1, 20518923), (3, 6839641), (109, 188247), (131, 156633), (327, 62749), (393, 52211), (479, 42837), (1437, 14279)]