20844245

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1511}}^1$

素因数の和:1636

約数の個数: 16

約数和(自身を含む): 26127360

約数和(自身を除く): 5283115

約数列:

[1, 5, 31, 89, 155, 445, 1511, 2759, 7555, 13795, 46841, 134479, 234205, 672395, 4168849, 20844245]

約数ペア:

[(1, 20844245), (5, 4168849), (31, 672395), (89, 234205), (155, 134479), (445, 46841), (1511, 13795), (2759, 7555)]