20147564

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2857}}^1$

素因数の和:2945

約数の個数: 24

約数和(自身を含む): 36971088

約数和(自身を除く): 16823524

約数列:

[1, 2, 4, 41, 43, 82, 86, 164, 172, 1763, 2857, 3526, 5714, 7052, 11428, 117137, 122851, 234274, 245702, 468548, 491404, 5036891, 10073782, 20147564]

約数ペア:

[(1, 20147564), (2, 10073782), (4, 5036891), (41, 491404), (43, 468548), (82, 245702), (86, 234274), (164, 122851), (172, 117137), (1763, 11428), (2857, 7052), (3526, 5714)]