20458970784

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{76303}}^1$

素因数の和:76352

約数の個数: 216

約数和(自身を含む): 71241992640

約数和(自身を除く): 50783021856

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 32, 36, 38, 42, 48, 49, 56, 57, 63, 72, 76, 84, 96, 98, 112, 114, 126, 133, 144, 147, 152, 168, 171, 196, 224, 228, 252, 266, 288, 294, 304, 336, 342, 392, 399, 441, 456, 504, 532, 588, 608, 672, 684, 784, 798, 882, 912, 931, 1008, 1064, 1176, 1197, 1368, 1568, 1596, 1764, 1824, 1862, 2016, 2128, 2352, 2394, 2736, 2793, 3192, 3528, 3724, 4256, 4704, 4788, 5472, 5586, 6384, 7056, 7448, 8379, 9576, 11172, 12768, 14112, 14896, 16758, 19152, 22344, 29792, 33516, 38304, 44688, 67032, 76303, 89376, 134064, 152606, 228909, 268128, 305212, 457818, 534121, 610424, 686727, 915636, 1068242, 1220848, 1373454, 1449757, 1602363, 1831272, 2136484, 2441696, 2746908, 2899514, 3204726, 3662544, 3738847, 4272968, 4349271, 4807089, 5493816, 5799028, 6409452, 7325088, 7477694, 8545936, 8698542, 9614178, 10148299, 10987632, 11216541, 11598056, 12818904, 13047813, 14955388, 17091872, 17397084, 19228356, 20296598, 21975264, 22433082, 23196112, 25637808, 26095626, 29910776, 30444897, 33649623, 34794168, 38456712, 40593196, 44866164, 46392224, 51275616, 52191252, 59821552, 60889794, 67299246, 69588336, 71038093, 76913424, 81186392, 89732328, 91334691, 104382504, 119643104, 121779588, 134598492, 139176672, 142076186, 153826848, 162372784, 179464656, 182669382, 208765008, 213114279, 243559176, 269196984, 284152372, 324745568, 358929312, 365338764, 417530016, 426228558, 487118352, 538393968, 568304744, 639342837, 730677528, 852457116, 974236704, 1076787936, 1136609488, 1278685674, 1461355056, 1704914232, 2273218976, 2557371348, 2922710112, 3409828464, 5114742696, 6819656928, 10229485392, 20458970784]

約数ペア:

[(1, 20458970784), (2, 10229485392), (3, 6819656928), (4, 5114742696), (6, 3409828464), (7, 2922710112), (8, 2557371348), (9, 2273218976), (12, 1704914232), (14, 1461355056), (16, 1278685674), (18, 1136609488), (19, 1076787936), (21, 974236704), (24, 852457116), (28, 730677528), (32, 639342837), (36, 568304744), (38, 538393968), (42, 487118352), (48, 426228558), (49, 417530016), (56, 365338764), (57, 358929312), (63, 324745568), (72, 284152372), (76, 269196984), (84, 243559176), (96, 213114279), (98, 208765008), (112, 182669382), (114, 179464656), (126, 162372784), (133, 153826848), (144, 142076186), (147, 139176672), (152, 134598492), (168, 121779588), (171, 119643104), (196, 104382504), (224, 91334691), (228, 89732328), (252, 81186392), (266, 76913424), (288, 71038093), (294, 69588336), (304, 67299246), (336, 60889794), (342, 59821552), (392, 52191252), (399, 51275616), (441, 46392224), (456, 44866164), (504, 40593196), (532, 38456712), (588, 34794168), (608, 33649623), (672, 30444897), (684, 29910776), (784, 26095626), (798, 25637808), (882, 23196112), (912, 22433082), (931, 21975264), (1008, 20296598), (1064, 19228356), (1176, 17397084), (1197, 17091872), (1368, 14955388), (1568, 13047813), (1596, 12818904), (1764, 11598056), (1824, 11216541), (1862, 10987632), (2016, 10148299), (2128, 9614178), (2352, 8698542), (2394, 8545936), (2736, 7477694), (2793, 7325088), (3192, 6409452), (3528, 5799028), (3724, 5493816), (4256, 4807089), (4704, 4349271), (4788, 4272968), (5472, 3738847), (5586, 3662544), (6384, 3204726), (7056, 2899514), (7448, 2746908), (8379, 2441696), (9576, 2136484), (11172, 1831272), (12768, 1602363), (14112, 1449757), (14896, 1373454), (16758, 1220848), (19152, 1068242), (22344, 915636), (29792, 686727), (33516, 610424), (38304, 534121), (44688, 457818), (67032, 305212), (76303, 268128), (89376, 228909), (134064, 152606)]