20500432

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{8161}}^1$

素因数の和:8326

約数の個数: 20

約数和(自身を含む): 39977476

約数和(自身を除く): 19477044

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 8161, 16322, 32644, 65288, 130576, 1281277, 2562554, 5125108, 10250216, 20500432]

約数ペア:

[(1, 20500432), (2, 10250216), (4, 5125108), (8, 2562554), (16, 1281277), (157, 130576), (314, 65288), (628, 32644), (1256, 16322), (2512, 8161)]