20805984864

素因数分解:

$2^5\times 3^3\times 7^3\times {\mathrm{70207}}^1$

素因数の和:70247

約数の個数: 192

約数和(自身を含む): 70769664000

約数和(自身を除く): 49963679136

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, 343, 378, 392, 432, 441, 504, 588, 672, 686, 756, 784, 864, 882, 1008, 1029, 1176, 1323, 1372, 1512, 1568, 1764, 2016, 2058, 2352, 2646, 2744, 3024, 3087, 3528, 4116, 4704, 5292, 5488, 6048, 6174, 7056, 8232, 9261, 10584, 10976, 12348, 14112, 16464, 18522, 21168, 24696, 32928, 37044, 42336, 49392, 70207, 74088, 98784, 140414, 148176, 210621, 280828, 296352, 421242, 491449, 561656, 631863, 842484, 982898, 1123312, 1263726, 1474347, 1684968, 1895589, 1965796, 2246624, 2527452, 2948694, 3369936, 3440143, 3791178, 3931592, 4423041, 5054904, 5897388, 6739872, 6880286, 7582356, 7863184, 8846082, 10109808, 10320429, 11794776, 13269123, 13760572, 15164712, 15726368, 17692164, 20219616, 20640858, 23589552, 24081001, 26538246, 27521144, 30329424, 30961287, 35384328, 41281716, 47179104, 48162002, 53076492, 55042288, 60658848, 61922574, 70768656, 72243003, 82563432, 92883861, 96324004, 106152984, 110084576, 123845148, 141537312, 144486006, 165126864, 185767722, 192648008, 212305968, 216729009, 247690296, 288972012, 330253728, 371535444, 385296016, 424611936, 433458018, 495380592, 577944024, 650187027, 743070888, 770592032, 866916036, 990761184, 1155888048, 1300374054, 1486141776, 1733832072, 2311776096, 2600748108, 2972283552, 3467664144, 5201496216, 6935328288, 10402992432, 20805984864]

約数ペア:

[(1, 20805984864), (2, 10402992432), (3, 6935328288), (4, 5201496216), (6, 3467664144), (7, 2972283552), (8, 2600748108), (9, 2311776096), (12, 1733832072), (14, 1486141776), (16, 1300374054), (18, 1155888048), (21, 990761184), (24, 866916036), (27, 770592032), (28, 743070888), (32, 650187027), (36, 577944024), (42, 495380592), (48, 433458018), (49, 424611936), (54, 385296016), (56, 371535444), (63, 330253728), (72, 288972012), (84, 247690296), (96, 216729009), (98, 212305968), (108, 192648008), (112, 185767722), (126, 165126864), (144, 144486006), (147, 141537312), (168, 123845148), (189, 110084576), (196, 106152984), (216, 96324004), (224, 92883861), (252, 82563432), (288, 72243003), (294, 70768656), (336, 61922574), (343, 60658848), (378, 55042288), (392, 53076492), (432, 48162002), (441, 47179104), (504, 41281716), (588, 35384328), (672, 30961287), (686, 30329424), (756, 27521144), (784, 26538246), (864, 24081001), (882, 23589552), (1008, 20640858), (1029, 20219616), (1176, 17692164), (1323, 15726368), (1372, 15164712), (1512, 13760572), (1568, 13269123), (1764, 11794776), (2016, 10320429), (2058, 10109808), (2352, 8846082), (2646, 7863184), (2744, 7582356), (3024, 6880286), (3087, 6739872), (3528, 5897388), (4116, 5054904), (4704, 4423041), (5292, 3931592), (5488, 3791178), (6048, 3440143), (6174, 3369936), (7056, 2948694), (8232, 2527452), (9261, 2246624), (10584, 1965796), (10976, 1895589), (12348, 1684968), (14112, 1474347), (16464, 1263726), (18522, 1123312), (21168, 982898), (24696, 842484), (32928, 631863), (37044, 561656), (42336, 491449), (49392, 421242), (70207, 296352), (74088, 280828), (98784, 210621), (140414, 148176)]