20582401

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{2609}}^1$

素因数の和:2653

約数の個数: 16

約数和(自身を含む): 25056000

約数和(自身を除く): 4473599

約数列:

[1, 7, 23, 49, 161, 343, 1127, 2609, 7889, 18263, 60007, 127841, 420049, 894887, 2940343, 20582401]

約数ペア:

[(1, 20582401), (7, 2940343), (23, 894887), (49, 420049), (161, 127841), (343, 60007), (1127, 18263), (2609, 7889)]