20441380

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{9923}}^1$

素因数の和:10035

約数の個数: 24

約数和(自身を含む): 43348032

約数和(自身を除く): 22906652

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 9923, 19846, 39692, 49615, 99230, 198460, 1022069, 2044138, 4088276, 5110345, 10220690, 20441380]

約数ペア:

[(1, 20441380), (2, 10220690), (4, 5110345), (5, 4088276), (10, 2044138), (20, 1022069), (103, 198460), (206, 99230), (412, 49615), (515, 39692), (1030, 19846), (2060, 9923)]