20071540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23339}}^1$

素因数の和:23391

約数の個数: 24

約数和(自身を含む): 43132320

約数和(自身を除く): 23060780

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 23339, 46678, 93356, 116695, 233390, 466780, 1003577, 2007154, 4014308, 5017885, 10035770, 20071540]

約数ペア:

[(1, 20071540), (2, 10035770), (4, 5017885), (5, 4014308), (10, 2007154), (20, 1003577), (43, 466780), (86, 233390), (172, 116695), (215, 93356), (430, 46678), (860, 23339)]