20683731

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{1471}}^1$

素因数の和:1626

約数の個数: 16

約数和(自身を含む): 28497920

約数和(自身を除く): 7814189

約数列:

[1, 3, 43, 109, 129, 327, 1471, 4413, 4687, 14061, 63253, 160339, 189759, 481017, 6894577, 20683731]

約数ペア:

[(1, 20683731), (3, 6894577), (43, 481017), (109, 189759), (129, 160339), (327, 63253), (1471, 14061), (4413, 4687)]