20287826

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25171}}^1$

素因数の和:25217

約数の個数: 16

約数和(自身を含む): 33831168

約数和(自身を除く): 13543342

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 25171, 50342, 327223, 654446, 780301, 1560602, 10143913, 20287826]

約数ペア:

[(1, 20287826), (2, 10143913), (13, 1560602), (26, 780301), (31, 654446), (62, 327223), (403, 50342), (806, 25171)]