20186901872

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{74216551}}^1$

素因数の和:74216576

約数の個数: 20

約数和(自身を含む): 41412836016

約数和(自身を除く): 21225934144

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 74216551, 148433102, 296866204, 593732408, 1187464816, 1261681367, 2523362734, 5046725468, 10093450936, 20186901872]

約数ペア:

[(1, 20186901872), (2, 10093450936), (4, 5046725468), (8, 2523362734), (16, 1261681367), (17, 1187464816), (34, 593732408), (68, 296866204), (136, 148433102), (272, 74216551)]