20108169

素因数分解:

$3^4\times {\mathrm{163}}^1\times {\mathrm{1523}}^1$

素因数の和:1698

約数の個数: 20

約数和(自身を含む): 30242256

約数和(自身を除く): 10134087

約数列:

[1, 3, 9, 27, 81, 163, 489, 1467, 1523, 4401, 4569, 13203, 13707, 41121, 123363, 248249, 744747, 2234241, 6702723, 20108169]

約数ペア:

[(1, 20108169), (3, 6702723), (9, 2234241), (27, 744747), (81, 248249), (163, 123363), (489, 41121), (1467, 13707), (1523, 13203), (4401, 4569)]