20489921568

素因数分解:

$2^5\times 3^3\times {\mathrm{17}}^1\times {\mathrm{37}}^2\times {\mathrm{1019}}^1$

素因数の和:1129

約数の個数: 288

約数和(自身を含む): 65097950400

約数和(自身を除く): 44608028832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 37, 48, 51, 54, 68, 72, 74, 96, 102, 108, 111, 136, 144, 148, 153, 204, 216, 222, 272, 288, 296, 306, 333, 408, 432, 444, 459, 544, 592, 612, 629, 666, 816, 864, 888, 918, 999, 1019, 1184, 1224, 1258, 1332, 1369, 1632, 1776, 1836, 1887, 1998, 2038, 2448, 2516, 2664, 2738, 3057, 3552, 3672, 3774, 3996, 4076, 4107, 4896, 5032, 5328, 5476, 5661, 6114, 7344, 7548, 7992, 8152, 8214, 9171, 10064, 10656, 10952, 11322, 12228, 12321, 14688, 15096, 15984, 16304, 16428, 16983, 17323, 18342, 20128, 21904, 22644, 23273, 24456, 24642, 27513, 30192, 31968, 32608, 32856, 33966, 34646, 36684, 36963, 37703, 43808, 45288, 46546, 48912, 49284, 51969, 55026, 60384, 65712, 67932, 69292, 69819, 73368, 73926, 75406, 90576, 93092, 97824, 98568, 103938, 110052, 113109, 131424, 135864, 138584, 139638, 146736, 147852, 150812, 155907, 181152, 186184, 197136, 207876, 209457, 220104, 226218, 271728, 277168, 279276, 293472, 295704, 301624, 311814, 339327, 372368, 394272, 415752, 418914, 440208, 452436, 467721, 543456, 554336, 558552, 591408, 603248, 623628, 628371, 640951, 678654, 744736, 831504, 837828, 880416, 904872, 935442, 1017981, 1117104, 1182816, 1206496, 1247256, 1256742, 1281902, 1357308, 1395011, 1663008, 1675656, 1809744, 1870884, 1922853, 2035962, 2234208, 2494512, 2513484, 2563804, 2714616, 2790022, 3351312, 3619488, 3741768, 3845706, 4071924, 4185033, 4989024, 5026968, 5127608, 5429232, 5580044, 5768559, 6702624, 7483536, 7691412, 8143848, 8370066, 10053936, 10255216, 10858464, 11160088, 11537118, 12555099, 14967072, 15382824, 16287696, 16740132, 17305677, 20107872, 20510432, 22320176, 23074236, 23715187, 25110198, 30765648, 32575392, 33480264, 34611354, 37665297, 44640352, 46148472, 47430374, 50220396, 61531296, 66960528, 69222708, 71145561, 75330594, 92296944, 94860748, 100440792, 133921056, 138445416, 142291122, 150661188, 184593888, 189721496, 200881584, 213436683, 276890832, 284582244, 301322376, 379442992, 401763168, 426873366, 553781664, 569164488, 602644752, 640310049, 758885984, 853746732, 1138328976, 1205289504, 1280620098, 1707493464, 2276657952, 2561240196, 3414986928, 5122480392, 6829973856, 10244960784, 20489921568]

約数ペア:

[(1, 20489921568), (2, 10244960784), (3, 6829973856), (4, 5122480392), (6, 3414986928), (8, 2561240196), (9, 2276657952), (12, 1707493464), (16, 1280620098), (17, 1205289504), (18, 1138328976), (24, 853746732), (27, 758885984), (32, 640310049), (34, 602644752), (36, 569164488), (37, 553781664), (48, 426873366), (51, 401763168), (54, 379442992), (68, 301322376), (72, 284582244), (74, 276890832), (96, 213436683), (102, 200881584), (108, 189721496), (111, 184593888), (136, 150661188), (144, 142291122), (148, 138445416), (153, 133921056), (204, 100440792), (216, 94860748), (222, 92296944), (272, 75330594), (288, 71145561), (296, 69222708), (306, 66960528), (333, 61531296), (408, 50220396), (432, 47430374), (444, 46148472), (459, 44640352), (544, 37665297), (592, 34611354), (612, 33480264), (629, 32575392), (666, 30765648), (816, 25110198), (864, 23715187), (888, 23074236), (918, 22320176), (999, 20510432), (1019, 20107872), (1184, 17305677), (1224, 16740132), (1258, 16287696), (1332, 15382824), (1369, 14967072), (1632, 12555099), (1776, 11537118), (1836, 11160088), (1887, 10858464), (1998, 10255216), (2038, 10053936), (2448, 8370066), (2516, 8143848), (2664, 7691412), (2738, 7483536), (3057, 6702624), (3552, 5768559), (3672, 5580044), (3774, 5429232), (3996, 5127608), (4076, 5026968), (4107, 4989024), (4896, 4185033), (5032, 4071924), (5328, 3845706), (5476, 3741768), (5661, 3619488), (6114, 3351312), (7344, 2790022), (7548, 2714616), (7992, 2563804), (8152, 2513484), (8214, 2494512), (9171, 2234208), (10064, 2035962), (10656, 1922853), (10952, 1870884), (11322, 1809744), (12228, 1675656), (12321, 1663008), (14688, 1395011), (15096, 1357308), (15984, 1281902), (16304, 1256742), (16428, 1247256), (16983, 1206496), (17323, 1182816), (18342, 1117104), (20128, 1017981), (21904, 935442), (22644, 904872), (23273, 880416), (24456, 837828), (24642, 831504), (27513, 744736), (30192, 678654), (31968, 640951), (32608, 628371), (32856, 623628), (33966, 603248), (34646, 591408), (36684, 558552), (36963, 554336), (37703, 543456), (43808, 467721), (45288, 452436), (46546, 440208), (48912, 418914), (49284, 415752), (51969, 394272), (55026, 372368), (60384, 339327), (65712, 311814), (67932, 301624), (69292, 295704), (69819, 293472), (73368, 279276), (73926, 277168), (75406, 271728), (90576, 226218), (93092, 220104), (97824, 209457), (98568, 207876), (103938, 197136), (110052, 186184), (113109, 181152), (131424, 155907), (135864, 150812), (138584, 147852), (139638, 146736)]