20849661

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{14389}}^1$

素因数の和:14425

約数の個数: 24

約数和(自身を含む): 35917440

約数和(自身を除く): 15067779

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 14389, 43167, 100723, 129501, 302169, 330947, 906507, 992841, 2316629, 2978523, 6949887, 20849661]

約数ペア:

[(1, 20849661), (3, 6949887), (7, 2978523), (9, 2316629), (21, 992841), (23, 906507), (63, 330947), (69, 302169), (161, 129501), (207, 100723), (483, 43167), (1449, 14389)]