15468820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{17987}}^1$

素因数の和:18039

約数の個数: 24

約数和(自身を含む): 33241824

約数和(自身を除く): 17773004

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 17987, 35974, 71948, 89935, 179870, 359740, 773441, 1546882, 3093764, 3867205, 7734410, 15468820]

約数ペア:

[(1, 15468820), (2, 7734410), (4, 3867205), (5, 3093764), (10, 1546882), (20, 773441), (43, 359740), (86, 179870), (172, 89935), (215, 71948), (430, 35974), (860, 17987)]