20648204

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{2179}}^1$

素因数の和:2309

約数の個数: 24

約数和(自身を含む): 38088960

約数和(自身を除く): 17440756

約数列:

[1, 2, 4, 23, 46, 92, 103, 206, 412, 2179, 2369, 4358, 4738, 8716, 9476, 50117, 100234, 200468, 224437, 448874, 897748, 5162051, 10324102, 20648204]

約数ペア:

[(1, 20648204), (2, 10324102), (4, 5162051), (23, 897748), (46, 448874), (92, 224437), (103, 200468), (206, 100234), (412, 50117), (2179, 9476), (2369, 8716), (4358, 4738)]