20928730

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{18521}}^1$

素因数の和:18641

約数の個数: 16

約数和(自身を含む): 38007144

約数和(自身を除く): 17078414

約数列:

[1, 2, 5, 10, 113, 226, 565, 1130, 18521, 37042, 92605, 185210, 2092873, 4185746, 10464365, 20928730]

約数ペア:

[(1, 20928730), (2, 10464365), (5, 4185746), (10, 2092873), (113, 185210), (226, 92605), (565, 37042), (1130, 18521)]