20079740

素因数分解:

$2^2\times 5^1\times {\mathrm{727}}^1\times {\mathrm{1381}}^1$

素因数の和:2117

約数の個数: 24

約数和(自身を含む): 42256032

約数和(自身を除く): 22176292

約数列:

[1, 2, 4, 5, 10, 20, 727, 1381, 1454, 2762, 2908, 3635, 5524, 6905, 7270, 13810, 14540, 27620, 1003987, 2007974, 4015948, 5019935, 10039870, 20079740]

約数ペア:

[(1, 20079740), (2, 10039870), (4, 5019935), (5, 4015948), (10, 2007974), (20, 1003987), (727, 27620), (1381, 14540), (1454, 13810), (2762, 7270), (2908, 6905), (3635, 5524)]