20825244

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1223}}^1$

素因数の和:1287

約数の個数: 72

約数和(自身を含む): 58810752

約数和(自身を除く): 37985508

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 43, 44, 66, 86, 99, 129, 132, 172, 198, 258, 387, 396, 473, 516, 774, 946, 1223, 1419, 1548, 1892, 2446, 2838, 3669, 4257, 4892, 5676, 7338, 8514, 11007, 13453, 14676, 17028, 22014, 26906, 40359, 44028, 52589, 53812, 80718, 105178, 121077, 157767, 161436, 210356, 242154, 315534, 473301, 484308, 578479, 631068, 946602, 1156958, 1735437, 1893204, 2313916, 3470874, 5206311, 6941748, 10412622, 20825244]

約数ペア:

[(1, 20825244), (2, 10412622), (3, 6941748), (4, 5206311), (6, 3470874), (9, 2313916), (11, 1893204), (12, 1735437), (18, 1156958), (22, 946602), (33, 631068), (36, 578479), (43, 484308), (44, 473301), (66, 315534), (86, 242154), (99, 210356), (129, 161436), (132, 157767), (172, 121077), (198, 105178), (258, 80718), (387, 53812), (396, 52589), (473, 44028), (516, 40359), (774, 26906), (946, 22014), (1223, 17028), (1419, 14676), (1548, 13453), (1892, 11007), (2446, 8514), (2838, 7338), (3669, 5676), (4257, 4892)]