20172959891

素因数分解:

$7^2\times {\mathrm{233}}^1\times {\mathrm{419}}^1\times {\mathrm{4217}}^1$

素因数の和:4883

約数の個数: 24

約数和(自身を含む): 23629067280

約数和(自身を除く): 3456107389

約数列:

[1, 7, 49, 233, 419, 1631, 2933, 4217, 11417, 20531, 29519, 97627, 206633, 683389, 982561, 1766923, 4783723, 6877927, 12368461, 48145489, 86579227, 411693059, 2881851413, 20172959891]

約数ペア:

[(1, 20172959891), (7, 2881851413), (49, 411693059), (233, 86579227), (419, 48145489), (1631, 12368461), (2933, 6877927), (4217, 4783723), (11417, 1766923), (20531, 982561), (29519, 683389), (97627, 206633)]