20512363487

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{126433}}^1$

素因数の和:126508

約数の個数: 32

約数和(自身を含む): 26702860800

約数和(自身を除く): 6190497313

約数列:

[1, 7, 11, 43, 49, 77, 301, 343, 473, 539, 2107, 3311, 3773, 14749, 23177, 126433, 162239, 885031, 1390763, 5436619, 6195217, 9735341, 38056333, 43366519, 59802809, 68147387, 266394331, 418619663, 477031709, 1864760317, 2930337641, 20512363487]

約数ペア:

[(1, 20512363487), (7, 2930337641), (11, 1864760317), (43, 477031709), (49, 418619663), (77, 266394331), (301, 68147387), (343, 59802809), (473, 43366519), (539, 38056333), (2107, 9735341), (3311, 6195217), (3773, 5436619), (14749, 1390763), (23177, 885031), (126433, 162239)]