20695521

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89591}}^1$

素因数の和:89612

約数の個数: 16

約数和(自身を含む): 34403328

約数和(自身を除く): 13707807

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 89591, 268773, 627137, 985501, 1881411, 2956503, 6898507, 20695521]

約数ペア:

[(1, 20695521), (3, 6898507), (7, 2956503), (11, 1881411), (21, 985501), (33, 627137), (77, 268773), (231, 89591)]