20763459

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{8269}}^1$

素因数の和:8312

約数の個数: 20

約数和(自身を含む): 32021440

約数和(自身を除く): 11257981

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 8269, 24807, 74421, 223263, 256339, 669789, 769017, 2307051, 6921153, 20763459]

約数ペア:

[(1, 20763459), (3, 6921153), (9, 2307051), (27, 769017), (31, 669789), (81, 256339), (93, 223263), (279, 74421), (837, 24807), (2511, 8269)]