20687528736

素因数分解:

$2^5\times 3^3\times 7^2\times {\mathrm{488651}}^1$

素因数の和:488684

約数の個数: 144

約数和(自身を含む): 70189973280

約数和(自身を除く): 49502444544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 72, 84, 96, 98, 108, 112, 126, 144, 147, 168, 189, 196, 216, 224, 252, 288, 294, 336, 378, 392, 432, 441, 504, 588, 672, 756, 784, 864, 882, 1008, 1176, 1323, 1512, 1568, 1764, 2016, 2352, 2646, 3024, 3528, 4704, 5292, 6048, 7056, 10584, 14112, 21168, 42336, 488651, 977302, 1465953, 1954604, 2931906, 3420557, 3909208, 4397859, 5863812, 6841114, 7818416, 8795718, 10261671, 11727624, 13193577, 13682228, 15636832, 17591436, 20523342, 23455248, 23943899, 26387154, 27364456, 30785013, 35182872, 41046684, 46910496, 47887798, 52774308, 54728912, 61570026, 70365744, 71831697, 82093368, 92355039, 95775596, 105548616, 109457824, 123140052, 140731488, 143663394, 164186736, 184710078, 191551192, 211097232, 215495091, 246280104, 287326788, 328373472, 369420156, 383102384, 422194464, 430990182, 492560208, 574653576, 646485273, 738840312, 766204768, 861980364, 985120416, 1149307152, 1292970546, 1477680624, 1723960728, 2298614304, 2585941092, 2955361248, 3447921456, 5171882184, 6895842912, 10343764368, 20687528736]

約数ペア:

[(1, 20687528736), (2, 10343764368), (3, 6895842912), (4, 5171882184), (6, 3447921456), (7, 2955361248), (8, 2585941092), (9, 2298614304), (12, 1723960728), (14, 1477680624), (16, 1292970546), (18, 1149307152), (21, 985120416), (24, 861980364), (27, 766204768), (28, 738840312), (32, 646485273), (36, 574653576), (42, 492560208), (48, 430990182), (49, 422194464), (54, 383102384), (56, 369420156), (63, 328373472), (72, 287326788), (84, 246280104), (96, 215495091), (98, 211097232), (108, 191551192), (112, 184710078), (126, 164186736), (144, 143663394), (147, 140731488), (168, 123140052), (189, 109457824), (196, 105548616), (216, 95775596), (224, 92355039), (252, 82093368), (288, 71831697), (294, 70365744), (336, 61570026), (378, 54728912), (392, 52774308), (432, 47887798), (441, 46910496), (504, 41046684), (588, 35182872), (672, 30785013), (756, 27364456), (784, 26387154), (864, 23943899), (882, 23455248), (1008, 20523342), (1176, 17591436), (1323, 15636832), (1512, 13682228), (1568, 13193577), (1764, 11727624), (2016, 10261671), (2352, 8795718), (2646, 7818416), (3024, 6841114), (3528, 5863812), (4704, 4397859), (5292, 3909208), (6048, 3420557), (7056, 2931906), (10584, 1954604), (14112, 1465953), (21168, 977302), (42336, 488651)]