20973704

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{23201}}^1$

素因数の和:23320

約数の個数: 16

約数和(自身を含む): 39675420

約数和(自身を除く): 18701716

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 23201, 46402, 92804, 185608, 2621713, 5243426, 10486852, 20973704]

約数ペア:

[(1, 20973704), (2, 10486852), (4, 5243426), (8, 2621713), (113, 185608), (226, 92804), (452, 46402), (904, 23201)]