20512156

素因数分解:

$2^2\times 7^1\times {\mathrm{599}}^1\times {\mathrm{1223}}^1$

素因数の和:1833

約数の個数: 24

約数和(自身を含む): 41126400

約数和(自身を除く): 20614244

約数列:

[1, 2, 4, 7, 14, 28, 599, 1198, 1223, 2396, 2446, 4193, 4892, 8386, 8561, 16772, 17122, 34244, 732577, 1465154, 2930308, 5128039, 10256078, 20512156]

約数ペア:

[(1, 20512156), (2, 10256078), (4, 5128039), (7, 2930308), (14, 1465154), (28, 732577), (599, 34244), (1198, 17122), (1223, 16772), (2396, 8561), (2446, 8386), (4193, 4892)]