20645545312

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1259}}^1\times {\mathrm{3853}}^1$

素因数の和:5148

約数の個数: 96

約数和(自身を含む): 48948883200

約数和(自身を除く): 28303337888

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 304, 532, 608, 1064, 1259, 2128, 2518, 3853, 4256, 5036, 7706, 8813, 10072, 15412, 17626, 20144, 23921, 26971, 30824, 35252, 40288, 47842, 53942, 61648, 70504, 73207, 95684, 107884, 123296, 141008, 146414, 167447, 191368, 215768, 282016, 292828, 334894, 382736, 431536, 512449, 585656, 669788, 765472, 863072, 1024898, 1171312, 1339576, 2049796, 2342624, 2679152, 4099592, 4850927, 5358304, 8199184, 9701854, 16398368, 19403708, 33956489, 38807416, 67912978, 77614832, 92167613, 135825956, 155229664, 184335226, 271651912, 368670452, 543303824, 645173291, 737340904, 1086607648, 1290346582, 1474681808, 2580693164, 2949363616, 5161386328, 10322772656, 20645545312]

約数ペア:

[(1, 20645545312), (2, 10322772656), (4, 5161386328), (7, 2949363616), (8, 2580693164), (14, 1474681808), (16, 1290346582), (19, 1086607648), (28, 737340904), (32, 645173291), (38, 543303824), (56, 368670452), (76, 271651912), (112, 184335226), (133, 155229664), (152, 135825956), (224, 92167613), (266, 77614832), (304, 67912978), (532, 38807416), (608, 33956489), (1064, 19403708), (1259, 16398368), (2128, 9701854), (2518, 8199184), (3853, 5358304), (4256, 4850927), (5036, 4099592), (7706, 2679152), (8813, 2342624), (10072, 2049796), (15412, 1339576), (17626, 1171312), (20144, 1024898), (23921, 863072), (26971, 765472), (30824, 669788), (35252, 585656), (40288, 512449), (47842, 431536), (53942, 382736), (61648, 334894), (70504, 292828), (73207, 282016), (95684, 215768), (107884, 191368), (123296, 167447), (141008, 146414)]