20891152

素因数分解:

$2^4\times {\mathrm{151}}^1\times {\mathrm{8647}}^1$

素因数の和:8806

約数の個数: 20

約数和(自身を含む): 40749376

約数和(自身を除く): 19858224

約数列:

[1, 2, 4, 8, 16, 151, 302, 604, 1208, 2416, 8647, 17294, 34588, 69176, 138352, 1305697, 2611394, 5222788, 10445576, 20891152]

約数ペア:

[(1, 20891152), (2, 10445576), (4, 5222788), (8, 2611394), (16, 1305697), (151, 138352), (302, 69176), (604, 34588), (1208, 17294), (2416, 8647)]