20791072

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{9151}}^1$

素因数の和:9232

約数の個数: 24

約数和(自身を含む): 41513472

約数和(自身を除く): 20722400

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 2272, 9151, 18302, 36604, 73208, 146416, 292832, 649721, 1299442, 2598884, 5197768, 10395536, 20791072]

約数ペア:

[(1, 20791072), (2, 10395536), (4, 5197768), (8, 2598884), (16, 1299442), (32, 649721), (71, 292832), (142, 146416), (284, 73208), (568, 36604), (1136, 18302), (2272, 9151)]