20415177

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{431}}^1$

素因数の和:733

約数の個数: 24

約数和(自身を含む): 31224960

約数和(自身を除く): 10809783

約数列:

[1, 3, 9, 19, 57, 171, 277, 431, 831, 1293, 2493, 3879, 5263, 8189, 15789, 24567, 47367, 73701, 119387, 358161, 1074483, 2268353, 6805059, 20415177]

約数ペア:

[(1, 20415177), (3, 6805059), (9, 2268353), (19, 1074483), (57, 358161), (171, 119387), (277, 73701), (431, 47367), (831, 24567), (1293, 15789), (2493, 8189), (3879, 5263)]