20329497

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{401}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 30352608

約数和(自身を除く): 10023111

約数列:

[1, 3, 9, 43, 129, 131, 387, 393, 401, 1179, 1203, 3609, 5633, 16899, 17243, 50697, 51729, 52531, 155187, 157593, 472779, 2258833, 6776499, 20329497]

約数ペア:

[(1, 20329497), (3, 6776499), (9, 2258833), (43, 472779), (129, 157593), (131, 155187), (387, 52531), (393, 51729), (401, 50697), (1179, 17243), (1203, 16899), (3609, 5633)]