20853870039

素因数分解:

$3^3\times {\mathrm{163}}^1\times {\mathrm{4738439}}^1$

素因数の和:4738611

約数の個数: 16

約数和(自身を含む): 31084166400

約数和(自身を除く): 10230296361

約数列:

[1, 3, 9, 27, 163, 489, 1467, 4401, 4738439, 14215317, 42645951, 127937853, 772365557, 2317096671, 6951290013, 20853870039]

約数ペア:

[(1, 20853870039), (3, 6951290013), (9, 2317096671), (27, 772365557), (163, 127937853), (489, 42645951), (1467, 14215317), (4401, 4738439)]