20157793670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{287968481}}^1$

素因数の和:287968495

約数の個数: 16

約数和(自身を含む): 41467461408

約数和(自身を除く): 21309667738

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 287968481, 575936962, 1439842405, 2015779367, 2879684810, 4031558734, 10078896835, 20157793670]

約数ペア:

[(1, 20157793670), (2, 10078896835), (5, 4031558734), (7, 2879684810), (10, 2015779367), (14, 1439842405), (35, 575936962), (70, 287968481)]