20155471

素因数分解:

$7^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{307}}^1$

素因数の和:510

約数の個数: 16

約数和(自身を含む): 23595264

約数和(自身を除く): 3439793

約数列:

[1, 7, 83, 113, 307, 581, 791, 2149, 9379, 25481, 34691, 65653, 178367, 242837, 2879353, 20155471]

約数ペア:

[(1, 20155471), (7, 2879353), (83, 242837), (113, 178367), (307, 65653), (581, 34691), (791, 25481), (2149, 9379)]