20351740

素因数分解:

$2^2\times 5^1\times {\mathrm{911}}^1\times {\mathrm{1117}}^1$

素因数の和:2037

約数の個数: 24

約数和(自身を含む): 42823872

約数和(自身を除く): 22472132

約数列:

[1, 2, 4, 5, 10, 20, 911, 1117, 1822, 2234, 3644, 4468, 4555, 5585, 9110, 11170, 18220, 22340, 1017587, 2035174, 4070348, 5087935, 10175870, 20351740]

約数ペア:

[(1, 20351740), (2, 10175870), (4, 5087935), (5, 4070348), (10, 2035174), (20, 1017587), (911, 22340), (1117, 18220), (1822, 11170), (2234, 9110), (3644, 5585), (4468, 4555)]