20417216

素因数分解:

$2^6\times {\mathrm{263}}^1\times {\mathrm{1213}}^1$

素因数の和:1488

約数の個数: 28

約数和(自身を含む): 40702992

約数和(自身を除く): 20285776

約数列:

[1, 2, 4, 8, 16, 32, 64, 263, 526, 1052, 1213, 2104, 2426, 4208, 4852, 8416, 9704, 16832, 19408, 38816, 77632, 319019, 638038, 1276076, 2552152, 5104304, 10208608, 20417216]

約数ペア:

[(1, 20417216), (2, 10208608), (4, 5104304), (8, 2552152), (16, 1276076), (32, 638038), (64, 319019), (263, 77632), (526, 38816), (1052, 19408), (1213, 16832), (2104, 9704), (2426, 8416), (4208, 4852)]