20307567

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{523}}^1$

素因数の和:619

約数の個数: 24

約数和(自身を含む): 31741824

約数和(自身を除く): 11434257

約数列:

[1, 3, 7, 21, 43, 129, 301, 523, 903, 1569, 1849, 3661, 5547, 10983, 12943, 22489, 38829, 67467, 157423, 472269, 967027, 2901081, 6769189, 20307567]

約数ペア:

[(1, 20307567), (3, 6769189), (7, 2901081), (21, 967027), (43, 472269), (129, 157423), (301, 67467), (523, 38829), (903, 22489), (1569, 12943), (1849, 10983), (3661, 5547)]