20248640

素因数分解:

$2^6\times 5^1\times {\mathrm{63277}}^1$

素因数の和:63294

約数の個数: 28

約数和(自身を含む): 48217836

約数和(自身を除く): 27969196

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 63277, 126554, 253108, 316385, 506216, 632770, 1012432, 1265540, 2024864, 2531080, 4049728, 5062160, 10124320, 20248640]

約数ペア:

[(1, 20248640), (2, 10124320), (4, 5062160), (5, 4049728), (8, 2531080), (10, 2024864), (16, 1265540), (20, 1012432), (32, 632770), (40, 506216), (64, 316385), (80, 253108), (160, 126554), (320, 63277)]