20050513

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2297}}^1$

素因数の和:2376

約数の個数: 16

約数和(自身を含む): 24266880

約数和(自身を除く): 4216367

約数列:

[1, 7, 29, 43, 203, 301, 1247, 2297, 8729, 16079, 66613, 98771, 466291, 691397, 2864359, 20050513]

約数ペア:

[(1, 20050513), (7, 2864359), (29, 691397), (43, 466291), (203, 98771), (301, 66613), (1247, 16079), (2297, 8729)]