20929382656

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:537

約数の個数: 288

約数和(自身を含む): 53939099648

約数和(自身を除く): 33009716992

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 73, 91, 104, 112, 124, 128, 146, 182, 208, 217, 224, 248, 256, 292, 364, 397, 403, 416, 434, 448, 496, 511, 584, 728, 794, 806, 832, 868, 896, 949, 992, 1022, 1168, 1456, 1588, 1612, 1664, 1736, 1792, 1898, 1984, 2044, 2263, 2336, 2779, 2821, 2912, 3176, 3224, 3328, 3472, 3796, 3968, 4088, 4526, 4672, 5161, 5558, 5642, 5824, 6352, 6448, 6643, 6944, 7592, 7936, 8176, 9052, 9344, 10322, 11116, 11284, 11648, 12307, 12704, 12896, 13286, 13888, 15184, 15841, 16352, 18104, 18688, 20644, 22232, 22568, 23296, 24614, 25408, 25792, 26572, 27776, 28981, 29419, 30368, 31682, 32704, 36127, 36208, 41288, 44464, 45136, 49228, 50816, 51584, 53144, 55552, 57962, 58838, 60736, 63364, 65408, 72254, 72416, 82576, 86149, 88928, 90272, 98456, 101632, 103168, 106288, 115924, 117676, 121472, 126728, 130816, 144508, 144832, 159991, 165152, 172298, 177856, 180544, 196912, 202867, 205933, 212576, 231848, 235352, 242944, 253456, 289016, 289664, 319982, 330304, 344596, 355712, 361088, 376753, 393824, 405734, 411866, 425152, 463696, 470704, 506912, 578032, 579328, 639964, 660608, 689192, 711424, 722176, 753506, 787648, 811468, 823732, 850304, 898411, 927392, 941408, 1013824, 1119937, 1156064, 1279928, 1321216, 1378384, 1507012, 1575296, 1622936, 1647464, 1700608, 1796822, 1854784, 1882816, 2027648, 2239874, 2312128, 2559856, 2637271, 2756768, 3014024, 3150592, 3245872, 3294928, 3593644, 3709568, 3765632, 4055296, 4479748, 4624256, 5119712, 5274542, 5513536, 6028048, 6288877, 6491744, 6589856, 7187288, 7419136, 7531264, 8959496, 9248512, 10239424, 10549084, 11027072, 11679343, 12056096, 12577754, 12983488, 13179712, 14374576, 17918992, 20478848, 21098168, 22054144, 23358686, 24112192, 25155508, 25966976, 26359424, 28749152, 35837984, 40957696, 42196336, 46717372, 48224384, 50311016, 51933952, 52718848, 57498304, 71675968, 81755401, 84392672, 93434744, 96448768, 100622032, 114996608, 143351936, 163510802, 168785344, 186869488, 201244064, 229993216, 286703872, 327021604, 337570688, 373738976, 402488128, 654043208, 675141376, 747477952, 804976256, 1308086416, 1494955904, 1609952512, 2616172832, 2989911808, 5232345664, 10464691328, 20929382656]

約数ペア:

[(1, 20929382656), (2, 10464691328), (4, 5232345664), (7, 2989911808), (8, 2616172832), (13, 1609952512), (14, 1494955904), (16, 1308086416), (26, 804976256), (28, 747477952), (31, 675141376), (32, 654043208), (52, 402488128), (56, 373738976), (62, 337570688), (64, 327021604), (73, 286703872), (91, 229993216), (104, 201244064), (112, 186869488), (124, 168785344), (128, 163510802), (146, 143351936), (182, 114996608), (208, 100622032), (217, 96448768), (224, 93434744), (248, 84392672), (256, 81755401), (292, 71675968), (364, 57498304), (397, 52718848), (403, 51933952), (416, 50311016), (434, 48224384), (448, 46717372), (496, 42196336), (511, 40957696), (584, 35837984), (728, 28749152), (794, 26359424), (806, 25966976), (832, 25155508), (868, 24112192), (896, 23358686), (949, 22054144), (992, 21098168), (1022, 20478848), (1168, 17918992), (1456, 14374576), (1588, 13179712), (1612, 12983488), (1664, 12577754), (1736, 12056096), (1792, 11679343), (1898, 11027072), (1984, 10549084), (2044, 10239424), (2263, 9248512), (2336, 8959496), (2779, 7531264), (2821, 7419136), (2912, 7187288), (3176, 6589856), (3224, 6491744), (3328, 6288877), (3472, 6028048), (3796, 5513536), (3968, 5274542), (4088, 5119712), (4526, 4624256), (4672, 4479748), (5161, 4055296), (5558, 3765632), (5642, 3709568), (5824, 3593644), (6352, 3294928), (6448, 3245872), (6643, 3150592), (6944, 3014024), (7592, 2756768), (7936, 2637271), (8176, 2559856), (9052, 2312128), (9344, 2239874), (10322, 2027648), (11116, 1882816), (11284, 1854784), (11648, 1796822), (12307, 1700608), (12704, 1647464), (12896, 1622936), (13286, 1575296), (13888, 1507012), (15184, 1378384), (15841, 1321216), (16352, 1279928), (18104, 1156064), (18688, 1119937), (20644, 1013824), (22232, 941408), (22568, 927392), (23296, 898411), (24614, 850304), (25408, 823732), (25792, 811468), (26572, 787648), (27776, 753506), (28981, 722176), (29419, 711424), (30368, 689192), (31682, 660608), (32704, 639964), (36127, 579328), (36208, 578032), (41288, 506912), (44464, 470704), (45136, 463696), (49228, 425152), (50816, 411866), (51584, 405734), (53144, 393824), (55552, 376753), (57962, 361088), (58838, 355712), (60736, 344596), (63364, 330304), (65408, 319982), (72254, 289664), (72416, 289016), (82576, 253456), (86149, 242944), (88928, 235352), (90272, 231848), (98456, 212576), (101632, 205933), (103168, 202867), (106288, 196912), (115924, 180544), (117676, 177856), (121472, 172298), (126728, 165152), (130816, 159991), (144508, 144832)]