20831740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{28151}}^1$

素因数の和:28197

約数の個数: 24

約数和(自身を含む): 44930592

約数和(自身を除く): 24098852

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 28151, 56302, 112604, 140755, 281510, 563020, 1041587, 2083174, 4166348, 5207935, 10415870, 20831740]

約数ペア:

[(1, 20831740), (2, 10415870), (4, 5207935), (5, 4166348), (10, 2083174), (20, 1041587), (37, 563020), (74, 281510), (148, 140755), (185, 112604), (370, 56302), (740, 28151)]