20500508

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{17027}}^1$

素因数の和:17081

約数の個数: 24

約数和(自身を含む): 41956992

約数和(自身を除く): 21456484

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 17027, 34054, 68108, 119189, 238378, 476756, 732161, 1464322, 2928644, 5125127, 10250254, 20500508]

約数ペア:

[(1, 20500508), (2, 10250254), (4, 5125127), (7, 2928644), (14, 1464322), (28, 732161), (43, 476756), (86, 238378), (172, 119189), (301, 68108), (602, 34054), (1204, 17027)]