20373740

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{5171}}^1$

素因数の和:5377

約数の個数: 24

約数和(自身を含む): 43010352

約数和(自身を除く): 22636612

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 5171, 10342, 20684, 25855, 51710, 103420, 1018687, 2037374, 4074748, 5093435, 10186870, 20373740]

約数ペア:

[(1, 20373740), (2, 10186870), (4, 5093435), (5, 4074748), (10, 2037374), (20, 1018687), (197, 103420), (394, 51710), (788, 25855), (985, 20684), (1970, 10342), (3940, 5171)]