20595550

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{3779}}^1$

素因数の和:3900

約数の個数: 24

約数和(自身を含む): 38669400

約数和(自身を除く): 18073850

約数列:

[1, 2, 5, 10, 25, 50, 109, 218, 545, 1090, 2725, 3779, 5450, 7558, 18895, 37790, 94475, 188950, 411911, 823822, 2059555, 4119110, 10297775, 20595550]

約数ペア:

[(1, 20595550), (2, 10297775), (5, 4119110), (10, 2059555), (25, 823822), (50, 411911), (109, 188950), (218, 94475), (545, 37790), (1090, 18895), (2725, 7558), (3779, 5450)]