20001663

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{18367}}^1$

素因数の和:18395

約数の個数: 18

約数和(自身を含む): 31758272

約数和(自身を除く): 11756609

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 18367, 55101, 165303, 202037, 606111, 1818333, 2222407, 6667221, 20001663]

約数ペア:

[(1, 20001663), (3, 6667221), (9, 2222407), (11, 1818333), (33, 606111), (99, 202037), (121, 165303), (363, 55101), (1089, 18367)]