20512542281

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{41579}}^1$

素因数の和:41789

約数の個数: 32

約数和(自身を含む): 26345088000

約数和(自身を除く): 5832545719

約数列:

[1, 7, 11, 43, 77, 149, 301, 473, 1043, 1639, 3311, 6407, 11473, 41579, 44849, 70477, 291053, 457369, 493339, 1787897, 3201583, 6195271, 12515279, 19666867, 43366897, 68147981, 137668069, 266396653, 477035867, 1864776571, 2930363183, 20512542281]

約数ペア:

[(1, 20512542281), (7, 2930363183), (11, 1864776571), (43, 477035867), (77, 266396653), (149, 137668069), (301, 68147981), (473, 43366897), (1043, 19666867), (1639, 12515279), (3311, 6195271), (6407, 3201583), (11473, 1787897), (41579, 493339), (44849, 457369), (70477, 291053)]