20165493404

素因数分解:

$2^2\times 7^1\times {\mathrm{720196193}}^1$

素因数の和:720196204

約数の個数: 12

約数和(自身を含む): 40330986864

約数和(自身を除く): 20165493460

約数列:

[1, 2, 4, 7, 14, 28, 720196193, 1440392386, 2880784772, 5041373351, 10082746702, 20165493404]

約数ペア:

[(1, 20165493404), (2, 10082746702), (4, 5041373351), (7, 2880784772), (14, 1440392386), (28, 720196193)]