20623660

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23981}}^1$

素因数の和:24033

約数の個数: 24

約数和(自身を含む): 44318736

約数和(自身を除く): 23695076

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 23981, 47962, 95924, 119905, 239810, 479620, 1031183, 2062366, 4124732, 5155915, 10311830, 20623660]

約数ペア:

[(1, 20623660), (2, 10311830), (4, 5155915), (5, 4124732), (10, 2062366), (20, 1031183), (43, 479620), (86, 239810), (172, 119905), (215, 95924), (430, 47962), (860, 23981)]