20852367740

素因数分解:

$2^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{1151}}^2$

素因数の和:3098

約数の個数: 36

約数和(自身を含む): 43883740488

約数和(自身を除く): 23031372748

約数列:

[1, 2, 4, 5, 10, 20, 787, 1151, 1574, 2302, 3148, 3935, 4604, 5755, 7870, 11510, 15740, 23020, 905837, 1324801, 1811674, 2649602, 3623348, 4529185, 5299204, 6624005, 9058370, 13248010, 18116740, 26496020, 1042618387, 2085236774, 4170473548, 5213091935, 10426183870, 20852367740]

約数ペア:

[(1, 20852367740), (2, 10426183870), (4, 5213091935), (5, 4170473548), (10, 2085236774), (20, 1042618387), (787, 26496020), (1151, 18116740), (1574, 13248010), (2302, 9058370), (3148, 6624005), (3935, 5299204), (4604, 4529185), (5755, 3623348), (7870, 2649602), (11510, 1811674), (15740, 1324801), (23020, 905837)]