20804927584

素因数分解:

$2^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^2\times {\mathrm{601}}^1$

素因数の和:793

約数の個数: 144

約数和(自身を含む): 49179402720

約数和(自身を除く): 28374475136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 73, 112, 116, 146, 203, 224, 232, 292, 406, 464, 511, 584, 601, 812, 928, 1022, 1168, 1202, 1624, 2044, 2117, 2336, 2404, 3248, 4088, 4207, 4234, 4808, 5329, 6496, 8176, 8414, 8468, 9616, 10658, 14819, 16352, 16828, 16936, 17429, 19232, 21316, 29638, 33656, 33872, 34858, 37303, 42632, 43873, 59276, 67312, 67744, 69716, 74606, 85264, 87746, 118552, 122003, 134624, 139432, 149212, 154541, 170528, 175492, 237104, 244006, 278864, 298424, 307111, 309082, 350984, 474208, 488012, 557728, 596848, 614222, 618164, 701968, 976024, 1081787, 1193696, 1228444, 1236328, 1272317, 1403936, 1952048, 2163574, 2456888, 2472656, 2544634, 3202729, 3904096, 4327148, 4913776, 4945312, 5089268, 6405458, 8654296, 8906219, 9827552, 10178536, 12810916, 17308592, 17812438, 20357072, 22419103, 25621832, 34617184, 35624876, 40714144, 44838206, 51243664, 71249752, 89676412, 92879141, 102487328, 142499504, 179352824, 185758282, 284999008, 358705648, 371516564, 650153987, 717411296, 743033128, 1300307974, 1486066256, 2600615948, 2972132512, 5201231896, 10402463792, 20804927584]

約数ペア:

[(1, 20804927584), (2, 10402463792), (4, 5201231896), (7, 2972132512), (8, 2600615948), (14, 1486066256), (16, 1300307974), (28, 743033128), (29, 717411296), (32, 650153987), (56, 371516564), (58, 358705648), (73, 284999008), (112, 185758282), (116, 179352824), (146, 142499504), (203, 102487328), (224, 92879141), (232, 89676412), (292, 71249752), (406, 51243664), (464, 44838206), (511, 40714144), (584, 35624876), (601, 34617184), (812, 25621832), (928, 22419103), (1022, 20357072), (1168, 17812438), (1202, 17308592), (1624, 12810916), (2044, 10178536), (2117, 9827552), (2336, 8906219), (2404, 8654296), (3248, 6405458), (4088, 5089268), (4207, 4945312), (4234, 4913776), (4808, 4327148), (5329, 3904096), (6496, 3202729), (8176, 2544634), (8414, 2472656), (8468, 2456888), (9616, 2163574), (10658, 1952048), (14819, 1403936), (16352, 1272317), (16828, 1236328), (16936, 1228444), (17429, 1193696), (19232, 1081787), (21316, 976024), (29638, 701968), (33656, 618164), (33872, 614222), (34858, 596848), (37303, 557728), (42632, 488012), (43873, 474208), (59276, 350984), (67312, 309082), (67744, 307111), (69716, 298424), (74606, 278864), (85264, 244006), (87746, 237104), (118552, 175492), (122003, 170528), (134624, 154541), (139432, 149212)]