20973183

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{90793}}^1$

素因数の和:90814

約数の個数: 16

約数和(自身を含む): 34864896

約数和(自身を除く): 13891713

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 90793, 272379, 635551, 998723, 1906653, 2996169, 6991061, 20973183]

約数ペア:

[(1, 20973183), (3, 6991061), (7, 2996169), (11, 1906653), (21, 998723), (33, 635551), (77, 272379), (231, 90793)]