20877717

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{58481}}^1$

素因数の和:58508

約数の個数: 16

約数和(自身を含む): 33685632

約数和(自身を除く): 12807915

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 58481, 175443, 409367, 994177, 1228101, 2982531, 6959239, 20877717]

約数ペア:

[(1, 20877717), (3, 6959239), (7, 2982531), (17, 1228101), (21, 994177), (51, 409367), (119, 175443), (357, 58481)]