20504894

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{1579}}^1$

素因数の和:1775

約数の個数: 16

約数和(自身を含む): 31701120

約数和(自身を除く): 11196226

約数列:

[1, 2, 43, 86, 151, 302, 1579, 3158, 6493, 12986, 67897, 135794, 238429, 476858, 10252447, 20504894]

約数ペア:

[(1, 20504894), (2, 10252447), (43, 476858), (86, 238429), (151, 135794), (302, 67897), (1579, 12986), (3158, 6493)]