20161245620

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{4440803}}^1$

素因数の和:4441039

約数の個数: 24

約数和(自身を含む): 42525139104

約数和(自身を除く): 22363893484

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 4440803, 8881606, 17763212, 22204015, 44408030, 88816060, 1008062281, 2016124562, 4032249124, 5040311405, 10080622810, 20161245620]

約数ペア:

[(1, 20161245620), (2, 10080622810), (4, 5040311405), (5, 4032249124), (10, 2016124562), (20, 1008062281), (227, 88816060), (454, 44408030), (908, 22204015), (1135, 17763212), (2270, 8881606), (4540, 4440803)]