20597731

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{6221}}^1$

素因数の和:6282

約数の個数: 16

約数和(自身を含む): 26281728

約数和(自身を除く): 5683997

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 6221, 43547, 68431, 267503, 479017, 1872521, 2942533, 20597731]

約数ペア:

[(1, 20597731), (7, 2942533), (11, 1872521), (43, 479017), (77, 267503), (301, 68431), (473, 43547), (3311, 6221)]