20020663

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1$

素因数の和:546

約数の個数: 16

約数和(自身を含む): 22407840

約数和(自身を除く): 2387177

約数列:

[1, 13, 37, 107, 389, 481, 1391, 3959, 5057, 14393, 41623, 51467, 187109, 541099, 1540051, 20020663]

約数ペア:

[(1, 20020663), (13, 1540051), (37, 541099), (107, 187109), (389, 51467), (481, 41623), (1391, 14393), (3959, 5057)]