20157037984

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{454151}}^1$

素因数の和:454253

約数の個数: 48

約数和(自身を含む): 42345132480

約数和(自身を除く): 22188094496

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 73, 76, 146, 152, 292, 304, 584, 608, 1168, 1387, 2336, 2774, 5548, 11096, 22192, 44384, 454151, 908302, 1816604, 3633208, 7266416, 8628869, 14532832, 17257738, 33153023, 34515476, 66306046, 69030952, 132612092, 138061904, 265224184, 276123808, 530448368, 629907437, 1060896736, 1259814874, 2519629748, 5039259496, 10078518992, 20157037984]

約数ペア:

[(1, 20157037984), (2, 10078518992), (4, 5039259496), (8, 2519629748), (16, 1259814874), (19, 1060896736), (32, 629907437), (38, 530448368), (73, 276123808), (76, 265224184), (146, 138061904), (152, 132612092), (292, 69030952), (304, 66306046), (584, 34515476), (608, 33153023), (1168, 17257738), (1387, 14532832), (2336, 8628869), (2774, 7266416), (5548, 3633208), (11096, 1816604), (22192, 908302), (44384, 454151)]