20838296

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{353}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 40271040

約数和(自身を除く): 19432744

約数列:

[1, 2, 4, 8, 47, 94, 157, 188, 314, 353, 376, 628, 706, 1256, 1412, 2824, 7379, 14758, 16591, 29516, 33182, 55421, 59032, 66364, 110842, 132728, 221684, 443368, 2604787, 5209574, 10419148, 20838296]

約数ペア:

[(1, 20838296), (2, 10419148), (4, 5209574), (8, 2604787), (47, 443368), (94, 221684), (157, 132728), (188, 110842), (314, 66364), (353, 59032), (376, 55421), (628, 33182), (706, 29516), (1256, 16591), (1412, 14758), (2824, 7379)]