20862992

素因数分解:

$2^4\times {\mathrm{557}}^1\times {\mathrm{2341}}^1$

素因数の和:2906

約数の個数: 20

約数和(自身を含む): 40511916

約数和(自身を除く): 19648924

約数列:

[1, 2, 4, 8, 16, 557, 1114, 2228, 2341, 4456, 4682, 8912, 9364, 18728, 37456, 1303937, 2607874, 5215748, 10431496, 20862992]

約数ペア:

[(1, 20862992), (2, 10431496), (4, 5215748), (8, 2607874), (16, 1303937), (557, 37456), (1114, 18728), (2228, 9364), (2341, 8912), (4456, 4682)]