20236660

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23531}}^1$

素因数の和:23583

約数の個数: 24

約数和(自身を含む): 43487136

約数和(自身を除く): 23250476

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 23531, 47062, 94124, 117655, 235310, 470620, 1011833, 2023666, 4047332, 5059165, 10118330, 20236660]

約数ペア:

[(1, 20236660), (2, 10118330), (4, 5059165), (5, 4047332), (10, 2023666), (20, 1011833), (43, 470620), (86, 235310), (172, 117655), (215, 94124), (430, 47062), (860, 23531)]