15691282220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{18245677}}^1$

素因数の和:18245729

約数の個数: 24

約数和(自身を含む): 33718012944

約数和(自身を除く): 18026730724

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 18245677, 36491354, 72982708, 91228385, 182456770, 364913540, 784564111, 1569128222, 3138256444, 3922820555, 7845641110, 15691282220]

約数ペア:

[(1, 15691282220), (2, 7845641110), (4, 3922820555), (5, 3138256444), (10, 1569128222), (20, 784564111), (43, 364913540), (86, 182456770), (172, 91228385), (215, 72982708), (430, 36491354), (860, 18245677)]