20518352

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{12697}}^1$

素因数の和:12806

約数の個数: 20

約数和(自身を含む): 40151076

約数和(自身を除く): 19632724

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 12697, 25394, 50788, 101576, 203152, 1282397, 2564794, 5129588, 10259176, 20518352]

約数ペア:

[(1, 20518352), (2, 10259176), (4, 5129588), (8, 2564794), (16, 1282397), (101, 203152), (202, 101576), (404, 50788), (808, 25394), (1616, 12697)]