20408152

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{54277}}^1$

素因数の和:54330

約数の個数: 16

約数和(自身を含む): 39080160

約数和(自身を除く): 18672008

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 54277, 108554, 217108, 434216, 2551019, 5102038, 10204076, 20408152]

約数ペア:

[(1, 20408152), (2, 10204076), (4, 5102038), (8, 2551019), (47, 434216), (94, 217108), (188, 108554), (376, 54277)]