20824450

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{3821}}^1$

素因数の和:3942

約数の個数: 24

約数和(自身を含む): 39099060

約数和(自身を除く): 18274610

約数列:

[1, 2, 5, 10, 25, 50, 109, 218, 545, 1090, 2725, 3821, 5450, 7642, 19105, 38210, 95525, 191050, 416489, 832978, 2082445, 4164890, 10412225, 20824450]

約数ペア:

[(1, 20824450), (2, 10412225), (5, 4164890), (10, 2082445), (25, 832978), (50, 416489), (109, 191050), (218, 95525), (545, 38210), (1090, 19105), (2725, 7642), (3821, 5450)]