20520781344

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{39301}}^1$

素因数の和:39368

約数の個数: 216

約数和(自身を含む): 69719940108

約数和(自身を除く): 49199158764

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 37, 42, 48, 49, 56, 63, 72, 74, 84, 96, 98, 111, 112, 126, 144, 147, 148, 168, 196, 222, 224, 252, 259, 288, 294, 296, 333, 336, 392, 441, 444, 504, 518, 588, 592, 666, 672, 777, 784, 882, 888, 1008, 1036, 1176, 1184, 1332, 1554, 1568, 1764, 1776, 1813, 2016, 2072, 2331, 2352, 2664, 3108, 3528, 3552, 3626, 4144, 4662, 4704, 5328, 5439, 6216, 7056, 7252, 8288, 9324, 10656, 10878, 12432, 14112, 14504, 16317, 18648, 21756, 24864, 29008, 32634, 37296, 39301, 43512, 58016, 65268, 74592, 78602, 87024, 117903, 130536, 157204, 174048, 235806, 261072, 275107, 314408, 353709, 471612, 522144, 550214, 628816, 707418, 825321, 943224, 1100428, 1257632, 1414836, 1454137, 1650642, 1886448, 1925749, 2200856, 2475963, 2829672, 2908274, 3301284, 3772896, 3851498, 4362411, 4401712, 4951926, 5659344, 5777247, 5816548, 6602568, 7702996, 8724822, 8803424, 9903852, 10178959, 11318688, 11554494, 11633096, 13087233, 13205136, 15405992, 17331741, 17449644, 19807704, 20357918, 23108988, 23266192, 26174466, 26410272, 30536877, 30811984, 34663482, 34899288, 39615408, 40715836, 46217976, 46532384, 52348932, 61073754, 61623968, 69326964, 69798576, 71252713, 79230816, 81431672, 91610631, 92435952, 104697864, 122147508, 138653928, 139597152, 142505426, 162863344, 183221262, 184871904, 209395728, 213758139, 244295016, 277307856, 285010852, 325726688, 366442524, 418791456, 427516278, 488590032, 554615712, 570021704, 641274417, 732885048, 855032556, 977180064, 1140043408, 1282548834, 1465770096, 1710065112, 2280086816, 2565097668, 2931540192, 3420130224, 5130195336, 6840260448, 10260390672, 20520781344]

約数ペア:

[(1, 20520781344), (2, 10260390672), (3, 6840260448), (4, 5130195336), (6, 3420130224), (7, 2931540192), (8, 2565097668), (9, 2280086816), (12, 1710065112), (14, 1465770096), (16, 1282548834), (18, 1140043408), (21, 977180064), (24, 855032556), (28, 732885048), (32, 641274417), (36, 570021704), (37, 554615712), (42, 488590032), (48, 427516278), (49, 418791456), (56, 366442524), (63, 325726688), (72, 285010852), (74, 277307856), (84, 244295016), (96, 213758139), (98, 209395728), (111, 184871904), (112, 183221262), (126, 162863344), (144, 142505426), (147, 139597152), (148, 138653928), (168, 122147508), (196, 104697864), (222, 92435952), (224, 91610631), (252, 81431672), (259, 79230816), (288, 71252713), (294, 69798576), (296, 69326964), (333, 61623968), (336, 61073754), (392, 52348932), (441, 46532384), (444, 46217976), (504, 40715836), (518, 39615408), (588, 34899288), (592, 34663482), (666, 30811984), (672, 30536877), (777, 26410272), (784, 26174466), (882, 23266192), (888, 23108988), (1008, 20357918), (1036, 19807704), (1176, 17449644), (1184, 17331741), (1332, 15405992), (1554, 13205136), (1568, 13087233), (1764, 11633096), (1776, 11554494), (1813, 11318688), (2016, 10178959), (2072, 9903852), (2331, 8803424), (2352, 8724822), (2664, 7702996), (3108, 6602568), (3528, 5816548), (3552, 5777247), (3626, 5659344), (4144, 4951926), (4662, 4401712), (4704, 4362411), (5328, 3851498), (5439, 3772896), (6216, 3301284), (7056, 2908274), (7252, 2829672), (8288, 2475963), (9324, 2200856), (10656, 1925749), (10878, 1886448), (12432, 1650642), (14112, 1454137), (14504, 1414836), (16317, 1257632), (18648, 1100428), (21756, 943224), (24864, 825321), (29008, 707418), (32634, 628816), (37296, 550214), (39301, 522144), (43512, 471612), (58016, 353709), (65268, 314408), (74592, 275107), (78602, 261072), (87024, 235806), (117903, 174048), (130536, 157204)]