20979592

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{70877}}^1$

素因数の和:70920

約数の個数: 16

約数和(自身を含む): 40400460

約数和(自身を除く): 19420868

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 70877, 141754, 283508, 567016, 2622449, 5244898, 10489796, 20979592]

約数ペア:

[(1, 20979592), (2, 10489796), (4, 5244898), (8, 2622449), (37, 567016), (74, 283508), (148, 141754), (296, 70877)]