20657833

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{479}}^1$

素因数の和:648

約数の個数: 16

約数和(自身を含む): 24284160

約数和(自身を除く): 3626327

約数列:

[1, 7, 61, 101, 427, 479, 707, 3353, 6161, 29219, 43127, 48379, 204533, 338653, 2951119, 20657833]

約数ペア:

[(1, 20657833), (7, 2951119), (61, 338653), (101, 204533), (427, 48379), (479, 43127), (707, 29219), (3353, 6161)]