20185431

素因数分解:

$3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{5897}}^1$

素因数の和:6070

約数の個数: 16

約数和(自身を含む): 30952704

約数和(自身を除く): 10767273

約数列:

[1, 3, 7, 21, 163, 489, 1141, 3423, 5897, 17691, 41279, 123837, 961211, 2883633, 6728477, 20185431]

約数ペア:

[(1, 20185431), (3, 6728477), (7, 2883633), (21, 961211), (163, 123837), (489, 41279), (1141, 17691), (3423, 5897)]