20191547590

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{25558921}}^1$

素因数の和:25559007

約数の個数: 16

約数和(自身を含む): 36804847680

約数和(自身を除く): 16613300090

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 25558921, 51117842, 127794605, 255589210, 2019154759, 4038309518, 10095773795, 20191547590]

約数ペア:

[(1, 20191547590), (2, 10095773795), (5, 4038309518), (10, 2019154759), (79, 255589210), (158, 127794605), (395, 51117842), (790, 25558921)]