20726350

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{3803}}^1$

素因数の和:3924

約数の個数: 24

約数和(自身を含む): 38914920

約数和(自身を除く): 18188570

約数列:

[1, 2, 5, 10, 25, 50, 109, 218, 545, 1090, 2725, 3803, 5450, 7606, 19015, 38030, 95075, 190150, 414527, 829054, 2072635, 4145270, 10363175, 20726350]

約数ペア:

[(1, 20726350), (2, 10363175), (5, 4145270), (10, 2072635), (25, 829054), (50, 414527), (109, 190150), (218, 95075), (545, 38030), (1090, 19015), (2725, 7606), (3803, 5450)]