20512781548

素因数分解:

$2^2\times 7^1\times {\mathrm{7417}}^1\times {\mathrm{98773}}^1$

素因数の和:106201

約数の個数: 24

約数和(自身を含む): 41031509792

約数和(自身を除く): 20518728244

約数列:

[1, 2, 4, 7, 14, 28, 7417, 14834, 29668, 51919, 98773, 103838, 197546, 207676, 395092, 691411, 1382822, 2765644, 732599341, 1465198682, 2930397364, 5128195387, 10256390774, 20512781548]

約数ペア:

[(1, 20512781548), (2, 10256390774), (4, 5128195387), (7, 2930397364), (14, 1465198682), (28, 732599341), (7417, 2765644), (14834, 1382822), (29668, 691411), (51919, 395092), (98773, 207676), (103838, 197546)]