20147046970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{118512041}}^1$

素因数の和:118512065

約数の個数: 16

約数和(自身を含む): 38397901608

約数和(自身を除く): 18250854638

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 118512041, 237024082, 592560205, 1185120410, 2014704697, 4029409394, 10073523485, 20147046970]

約数ペア:

[(1, 20147046970), (2, 10073523485), (5, 4029409394), (10, 2014704697), (17, 1185120410), (34, 592560205), (85, 237024082), (170, 118512041)]