20243540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23539}}^1$

素因数の和:23591

約数の個数: 24

約数和(自身を含む): 43501920

約数和(自身を除く): 23258380

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 23539, 47078, 94156, 117695, 235390, 470780, 1012177, 2024354, 4048708, 5060885, 10121770, 20243540]

約数ペア:

[(1, 20243540), (2, 10121770), (4, 5060885), (5, 4048708), (10, 2024354), (20, 1012177), (43, 470780), (86, 235390), (172, 117695), (215, 94156), (430, 47078), (860, 23539)]