20826942830

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{19107287}}^1$

素因数の和:19107403

約数の個数: 16

約数和(自身を含む): 37832430240

約数和(自身を除く): 17005487410

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 19107287, 38214574, 95536435, 191072870, 2082694283, 4165388566, 10413471415, 20826942830]

約数ペア:

[(1, 20826942830), (2, 10413471415), (5, 4165388566), (10, 2082694283), (109, 191072870), (218, 95536435), (545, 38214574), (1090, 19107287)]