20343740

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{4481}}^1$

素因数の和:4717

約数の個数: 24

約数和(自身を含む): 42919632

約数和(自身を除く): 22575892

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4481, 4540, 8962, 17924, 22405, 44810, 89620, 1017187, 2034374, 4068748, 5085935, 10171870, 20343740]

約数ペア:

[(1, 20343740), (2, 10171870), (4, 5085935), (5, 4068748), (10, 2034374), (20, 1017187), (227, 89620), (454, 44810), (908, 22405), (1135, 17924), (2270, 8962), (4481, 4540)]