20931533

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{1063}}^1$

素因数の和:1196

約数の個数: 16

約数和(自身を含む): 25025280

約数和(自身を除く): 4093747

約数列:

[1, 7, 29, 97, 203, 679, 1063, 2813, 7441, 19691, 30827, 103111, 215789, 721777, 2990219, 20931533]

約数ペア:

[(1, 20931533), (7, 2990219), (29, 721777), (97, 215789), (203, 103111), (679, 30827), (1063, 19691), (2813, 7441)]