20144787

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{3943}}^1$

素因数の和:4090

約数の個数: 16

約数和(自身を含む): 29154048

約数和(自身を除く): 9009261

約数列:

[1, 3, 13, 39, 131, 393, 1703, 3943, 5109, 11829, 51259, 153777, 516533, 1549599, 6714929, 20144787]

約数ペア:

[(1, 20144787), (3, 6714929), (13, 1549599), (39, 516533), (131, 153777), (393, 51259), (1703, 11829), (3943, 5109)]