20902729851

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{2143}}^1\times {\mathrm{23059}}^1$

素因数の和:25255

約数の個数: 24

約数和(自身を含む): 30850959360

約数和(自身を除く): 9948229509

約数列:

[1, 3, 9, 47, 141, 423, 2143, 6429, 19287, 23059, 69177, 100721, 207531, 302163, 906489, 1083773, 3251319, 9753957, 49415437, 148246311, 444738933, 2322525539, 6967576617, 20902729851]

約数ペア:

[(1, 20902729851), (3, 6967576617), (9, 2322525539), (47, 444738933), (141, 148246311), (423, 49415437), (2143, 9753957), (6429, 3251319), (19287, 1083773), (23059, 906489), (69177, 302163), (100721, 207531)]