20571001984

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{2861}}^1$

素因数の和:3066

約数の個数: 128

約数和(自身を含む): 45978030000

約数和(自身を除く): 25407028016

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 58, 64, 104, 116, 128, 149, 208, 232, 298, 377, 416, 464, 596, 754, 832, 928, 1192, 1508, 1664, 1856, 1937, 2384, 2861, 3016, 3712, 3874, 4321, 4768, 5722, 6032, 7748, 8642, 9536, 11444, 12064, 15496, 17284, 19072, 22888, 24128, 30992, 34568, 37193, 45776, 48256, 56173, 61984, 69136, 74386, 82969, 91552, 112346, 123968, 138272, 148772, 165938, 183104, 224692, 247936, 276544, 297544, 331876, 366208, 426289, 449384, 553088, 595088, 663752, 852578, 898768, 1078597, 1190176, 1327504, 1705156, 1797536, 2157194, 2380352, 2655008, 3410312, 3595072, 4314388, 4760704, 5310016, 5541757, 6820624, 7190144, 8628776, 10620032, 11083514, 12362381, 13641248, 17257552, 22167028, 24724762, 27282496, 34515104, 44334056, 49449524, 54564992, 69030208, 88668112, 98899048, 138060416, 160710953, 177336224, 197798096, 321421906, 354672448, 395596192, 642843812, 709344896, 791192384, 1285687624, 1582384768, 2571375248, 5142750496, 10285500992, 20571001984]

約数ペア:

[(1, 20571001984), (2, 10285500992), (4, 5142750496), (8, 2571375248), (13, 1582384768), (16, 1285687624), (26, 791192384), (29, 709344896), (32, 642843812), (52, 395596192), (58, 354672448), (64, 321421906), (104, 197798096), (116, 177336224), (128, 160710953), (149, 138060416), (208, 98899048), (232, 88668112), (298, 69030208), (377, 54564992), (416, 49449524), (464, 44334056), (596, 34515104), (754, 27282496), (832, 24724762), (928, 22167028), (1192, 17257552), (1508, 13641248), (1664, 12362381), (1856, 11083514), (1937, 10620032), (2384, 8628776), (2861, 7190144), (3016, 6820624), (3712, 5541757), (3874, 5310016), (4321, 4760704), (4768, 4314388), (5722, 3595072), (6032, 3410312), (7748, 2655008), (8642, 2380352), (9536, 2157194), (11444, 1797536), (12064, 1705156), (15496, 1327504), (17284, 1190176), (19072, 1078597), (22888, 898768), (24128, 852578), (30992, 663752), (34568, 595088), (37193, 553088), (45776, 449384), (48256, 426289), (56173, 366208), (61984, 331876), (69136, 297544), (74386, 276544), (82969, 247936), (91552, 224692), (112346, 183104), (123968, 165938), (138272, 148772)]