20804557712

素因数分解:

$2^4\times {\mathrm{9161}}^1\times {\mathrm{141937}}^1$

素因数の和:151106

約数の個数: 20

約数和(自身を含む): 40313514636

約数和(自身を除く): 19508956924

約数列:

[1, 2, 4, 8, 16, 9161, 18322, 36644, 73288, 141937, 146576, 283874, 567748, 1135496, 2270992, 1300284857, 2600569714, 5201139428, 10402278856, 20804557712]

約数ペア:

[(1, 20804557712), (2, 10402278856), (4, 5201139428), (8, 2600569714), (16, 1300284857), (9161, 2270992), (18322, 1135496), (36644, 567748), (73288, 283874), (141937, 146576)]