20786524

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{472421}}^1$

素因数の和:472436

約数の個数: 12

約数和(自身を含む): 39683448

約数和(自身を除く): 18896924

約数列:

[1, 2, 4, 11, 22, 44, 472421, 944842, 1889684, 5196631, 10393262, 20786524]

約数ペア:

[(1, 20786524), (2, 10393262), (4, 5196631), (11, 1889684), (22, 944842), (44, 472421)]