20263075

素因数分解:

$5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1301}}^1$

素因数の和:1407

約数の個数: 24

約数和(自身を含む): 29060640

約数和(自身を除く): 8797565

約数列:

[1, 5, 7, 25, 35, 89, 175, 445, 623, 1301, 2225, 3115, 6505, 9107, 15575, 32525, 45535, 115789, 227675, 578945, 810523, 2894725, 4052615, 20263075]

約数ペア:

[(1, 20263075), (5, 4052615), (7, 2894725), (25, 810523), (35, 578945), (89, 227675), (175, 115789), (445, 45535), (623, 32525), (1301, 15575), (2225, 9107), (3115, 6505)]