20465291

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{883}}^1$

素因数の和:951

約数の個数: 24

約数和(自身を含む): 26604864

約数和(自身を除く): 6139573

約数列:

[1, 7, 11, 43, 49, 77, 301, 473, 539, 883, 2107, 3311, 6181, 9713, 23177, 37969, 43267, 67991, 265783, 417659, 475937, 1860481, 2923613, 20465291]

約数ペア:

[(1, 20465291), (7, 2923613), (11, 1860481), (43, 475937), (49, 417659), (77, 265783), (301, 67991), (473, 43267), (539, 37969), (883, 23177), (2107, 9713), (3311, 6181)]