20215217

素因数分解:

${\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{641}}^1$

素因数の和:760

約数の個数: 16

約数和(自身を含む): 22927104

約数和(自身を除く): 2711887

約数列:

[1, 11, 47, 61, 517, 641, 671, 2867, 7051, 30127, 31537, 39101, 331397, 430111, 1837747, 20215217]

約数ペア:

[(1, 20215217), (11, 1837747), (47, 430111), (61, 331397), (517, 39101), (641, 31537), (671, 30127), (2867, 7051)]