20921961984

素因数分解:

$2^9\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{683}}^1$

素因数の和:766

約数の個数: 480

約数和(自身を含む): 72749736576

約数和(自身を除く): 51827774592

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 37, 42, 44, 48, 49, 56, 64, 66, 74, 77, 84, 88, 96, 98, 111, 112, 128, 132, 147, 148, 154, 168, 176, 192, 196, 222, 224, 231, 256, 259, 264, 294, 296, 308, 336, 352, 384, 392, 407, 444, 448, 462, 512, 518, 528, 539, 588, 592, 616, 672, 683, 704, 768, 777, 784, 814, 888, 896, 924, 1036, 1056, 1078, 1176, 1184, 1221, 1232, 1344, 1366, 1408, 1536, 1554, 1568, 1617, 1628, 1776, 1792, 1813, 1848, 2049, 2072, 2112, 2156, 2352, 2368, 2442, 2464, 2688, 2732, 2816, 2849, 3108, 3136, 3234, 3256, 3552, 3584, 3626, 3696, 4098, 4144, 4224, 4312, 4704, 4736, 4781, 4884, 4928, 5376, 5439, 5464, 5632, 5698, 6216, 6272, 6468, 6512, 7104, 7252, 7392, 7513, 8196, 8288, 8448, 8547, 8624, 9408, 9472, 9562, 9768, 9856, 10752, 10878, 10928, 11396, 12432, 12544, 12936, 13024, 14208, 14343, 14504, 14784, 15026, 16392, 16576, 16896, 17094, 17248, 18816, 18944, 19124, 19536, 19712, 19943, 21756, 21856, 22539, 22792, 24864, 25088, 25271, 25872, 26048, 28416, 28686, 29008, 29568, 30052, 32784, 33152, 33467, 34188, 34496, 37632, 38248, 39072, 39424, 39886, 43512, 43712, 45078, 45584, 49728, 50542, 51744, 52096, 52591, 56832, 57372, 58016, 59136, 59829, 60104, 65568, 66304, 66934, 68376, 68992, 75264, 75813, 76496, 78144, 79772, 87024, 87424, 90156, 91168, 99456, 100401, 101084, 103488, 104192, 105182, 114744, 116032, 118272, 119658, 120208, 131136, 132608, 133868, 136752, 137984, 151626, 152992, 156288, 157773, 159544, 174048, 174848, 176897, 180312, 182336, 198912, 200802, 202168, 206976, 208384, 210364, 229488, 232064, 239316, 240416, 262272, 267736, 273504, 275968, 277981, 303252, 305984, 312576, 315546, 319088, 348096, 349696, 353794, 360624, 364672, 368137, 397824, 401604, 404336, 413952, 420728, 458976, 464128, 478632, 480832, 524544, 530691, 535472, 547008, 555962, 606504, 611968, 625152, 631092, 638176, 696192, 707588, 721248, 729344, 736274, 803208, 808672, 827904, 833943, 841456, 917952, 928256, 957264, 961664, 1049088, 1061382, 1070944, 1094016, 1104411, 1111924, 1213008, 1223936, 1238279, 1262184, 1276352, 1392384, 1415176, 1442496, 1458688, 1472548, 1606416, 1617344, 1667886, 1682912, 1835904, 1914528, 1923328, 1945867, 2122764, 2141888, 2188032, 2208822, 2223848, 2426016, 2447872, 2476558, 2524368, 2552704, 2784768, 2830352, 2884992, 2945096, 3212832, 3234688, 3335772, 3365824, 3671808, 3714837, 3829056, 3846656, 3891734, 4245528, 4283776, 4376064, 4417644, 4447696, 4852032, 4953116, 5048736, 5105408, 5660704, 5769984, 5837601, 5890192, 6425664, 6469376, 6671544, 6731648, 7343616, 7429674, 7658112, 7783468, 8491056, 8567552, 8835288, 8895392, 9704064, 9906232, 10097472, 10210816, 11321408, 11539968, 11675202, 11780384, 12851328, 12938752, 13343088, 13463296, 13621069, 14859348, 15316224, 15566936, 16982112, 17135104, 17670576, 17790784, 19408128, 19812464, 20194944, 22642816, 23350404, 23560768, 25702656, 26686176, 26926592, 27242138, 29718696, 30632448, 31133872, 33964224, 35341152, 35581568, 38816256, 39624928, 40389888, 40863207, 45285632, 46700808, 47121536, 51405312, 53372352, 54484276, 59437392, 62267744, 67928448, 70682304, 71163136, 79249856, 80779776, 81726414, 90571264, 93401616, 94243072, 106744704, 108968552, 118874784, 124535488, 135856896, 141364608, 142326272, 158499712, 163452828, 186803232, 188486144, 213489408, 217937104, 237749568, 249070976, 271713792, 282729216, 316999424, 326905656, 373606464, 426978816, 435874208, 475499136, 498141952, 565458432, 633998848, 653811312, 747212928, 871748416, 950998272, 996283904, 1307622624, 1494425856, 1743496832, 1901996544, 2615245248, 2988851712, 3486993664, 5230490496, 6973987328, 10460980992, 20921961984]

約数ペア:

[(1, 20921961984), (2, 10460980992), (3, 6973987328), (4, 5230490496), (6, 3486993664), (7, 2988851712), (8, 2615245248), (11, 1901996544), (12, 1743496832), (14, 1494425856), (16, 1307622624), (21, 996283904), (22, 950998272), (24, 871748416), (28, 747212928), (32, 653811312), (33, 633998848), (37, 565458432), (42, 498141952), (44, 475499136), (48, 435874208), (49, 426978816), (56, 373606464), (64, 326905656), (66, 316999424), (74, 282729216), (77, 271713792), (84, 249070976), (88, 237749568), (96, 217937104), (98, 213489408), (111, 188486144), (112, 186803232), (128, 163452828), (132, 158499712), (147, 142326272), (148, 141364608), (154, 135856896), (168, 124535488), (176, 118874784), (192, 108968552), (196, 106744704), (222, 94243072), (224, 93401616), (231, 90571264), (256, 81726414), (259, 80779776), (264, 79249856), (294, 71163136), (296, 70682304), (308, 67928448), (336, 62267744), (352, 59437392), (384, 54484276), (392, 53372352), (407, 51405312), (444, 47121536), (448, 46700808), (462, 45285632), (512, 40863207), (518, 40389888), (528, 39624928), (539, 38816256), (588, 35581568), (592, 35341152), (616, 33964224), (672, 31133872), (683, 30632448), (704, 29718696), (768, 27242138), (777, 26926592), (784, 26686176), (814, 25702656), (888, 23560768), (896, 23350404), (924, 22642816), (1036, 20194944), (1056, 19812464), (1078, 19408128), (1176, 17790784), (1184, 17670576), (1221, 17135104), (1232, 16982112), (1344, 15566936), (1366, 15316224), (1408, 14859348), (1536, 13621069), (1554, 13463296), (1568, 13343088), (1617, 12938752), (1628, 12851328), (1776, 11780384), (1792, 11675202), (1813, 11539968), (1848, 11321408), (2049, 10210816), (2072, 10097472), (2112, 9906232), (2156, 9704064), (2352, 8895392), (2368, 8835288), (2442, 8567552), (2464, 8491056), (2688, 7783468), (2732, 7658112), (2816, 7429674), (2849, 7343616), (3108, 6731648), (3136, 6671544), (3234, 6469376), (3256, 6425664), (3552, 5890192), (3584, 5837601), (3626, 5769984), (3696, 5660704), (4098, 5105408), (4144, 5048736), (4224, 4953116), (4312, 4852032), (4704, 4447696), (4736, 4417644), (4781, 4376064), (4884, 4283776), (4928, 4245528), (5376, 3891734), (5439, 3846656), (5464, 3829056), (5632, 3714837), (5698, 3671808), (6216, 3365824), (6272, 3335772), (6468, 3234688), (6512, 3212832), (7104, 2945096), (7252, 2884992), (7392, 2830352), (7513, 2784768), (8196, 2552704), (8288, 2524368), (8448, 2476558), (8547, 2447872), (8624, 2426016), (9408, 2223848), (9472, 2208822), (9562, 2188032), (9768, 2141888), (9856, 2122764), (10752, 1945867), (10878, 1923328), (10928, 1914528), (11396, 1835904), (12432, 1682912), (12544, 1667886), (12936, 1617344), (13024, 1606416), (14208, 1472548), (14343, 1458688), (14504, 1442496), (14784, 1415176), (15026, 1392384), (16392, 1276352), (16576, 1262184), (16896, 1238279), (17094, 1223936), (17248, 1213008), (18816, 1111924), (18944, 1104411), (19124, 1094016), (19536, 1070944), (19712, 1061382), (19943, 1049088), (21756, 961664), (21856, 957264), (22539, 928256), (22792, 917952), (24864, 841456), (25088, 833943), (25271, 827904), (25872, 808672), (26048, 803208), (28416, 736274), (28686, 729344), (29008, 721248), (29568, 707588), (30052, 696192), (32784, 638176), (33152, 631092), (33467, 625152), (34188, 611968), (34496, 606504), (37632, 555962), (38248, 547008), (39072, 535472), (39424, 530691), (39886, 524544), (43512, 480832), (43712, 478632), (45078, 464128), (45584, 458976), (49728, 420728), (50542, 413952), (51744, 404336), (52096, 401604), (52591, 397824), (56832, 368137), (57372, 364672), (58016, 360624), (59136, 353794), (59829, 349696), (60104, 348096), (65568, 319088), (66304, 315546), (66934, 312576), (68376, 305984), (68992, 303252), (75264, 277981), (75813, 275968), (76496, 273504), (78144, 267736), (79772, 262272), (87024, 240416), (87424, 239316), (90156, 232064), (91168, 229488), (99456, 210364), (100401, 208384), (101084, 206976), (103488, 202168), (104192, 200802), (105182, 198912), (114744, 182336), (116032, 180312), (118272, 176897), (119658, 174848), (120208, 174048), (131136, 159544), (132608, 157773), (133868, 156288), (136752, 152992), (137984, 151626)]