20226899

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 26611200

約数和(自身を除く): 6384301

約数列:

[1, 7, 11, 41, 43, 77, 149, 287, 301, 451, 473, 1043, 1639, 1763, 3157, 3311, 6109, 6407, 11473, 12341, 19393, 42763, 44849, 67199, 70477, 135751, 262687, 470393, 493339, 1838809, 2889557, 20226899]

約数ペア:

[(1, 20226899), (7, 2889557), (11, 1838809), (41, 493339), (43, 470393), (77, 262687), (149, 135751), (287, 70477), (301, 67199), (451, 44849), (473, 42763), (1043, 19393), (1639, 12341), (1763, 11473), (3157, 6407), (3311, 6109)]