20086913

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{449}}^1$

素因数の和:557

約数の個数: 24

約数和(自身を含む): 25855200

約数和(自身を除く): 5768287

約数列:

[1, 7, 11, 49, 77, 83, 449, 539, 581, 913, 3143, 4067, 4939, 6391, 22001, 34573, 37267, 44737, 242011, 260869, 409937, 1826083, 2869559, 20086913]

約数ペア:

[(1, 20086913), (7, 2869559), (11, 1826083), (49, 409937), (77, 260869), (83, 242011), (449, 44737), (539, 37267), (581, 34573), (913, 22001), (3143, 6391), (4067, 4939)]