20988081408

素因数分解:

$2^8\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{619}}^1$

素因数の和:722

約数の個数: 432

約数和(自身を含む): 70212381120

約数和(自身を除く): 49224299712

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 32, 34, 42, 48, 49, 51, 53, 56, 64, 68, 84, 96, 98, 102, 106, 112, 119, 128, 136, 147, 159, 168, 192, 196, 204, 212, 224, 238, 256, 272, 294, 318, 336, 357, 371, 384, 392, 408, 424, 448, 476, 544, 588, 619, 636, 672, 714, 742, 768, 784, 816, 833, 848, 896, 901, 952, 1088, 1113, 1176, 1238, 1272, 1344, 1428, 1484, 1568, 1632, 1666, 1696, 1792, 1802, 1857, 1904, 2176, 2226, 2352, 2476, 2499, 2544, 2597, 2688, 2703, 2856, 2968, 3136, 3264, 3332, 3392, 3604, 3714, 3808, 4333, 4352, 4452, 4704, 4952, 4998, 5088, 5194, 5376, 5406, 5712, 5936, 6272, 6307, 6528, 6664, 6784, 7208, 7428, 7616, 7791, 8666, 8904, 9408, 9904, 9996, 10176, 10388, 10523, 10812, 11424, 11872, 12544, 12614, 12999, 13056, 13328, 13568, 14416, 14856, 15232, 15582, 17332, 17808, 18816, 18921, 19808, 19992, 20352, 20776, 21046, 21624, 22848, 23744, 25228, 25998, 26656, 28832, 29712, 30331, 30464, 31164, 31569, 32807, 34664, 35616, 37632, 37842, 39616, 39984, 40704, 41552, 42092, 43248, 44149, 45696, 47488, 50456, 51996, 53312, 57664, 59424, 60662, 62328, 63138, 65614, 69328, 71232, 73661, 75684, 79232, 79968, 83104, 84184, 86496, 88298, 90993, 91392, 94976, 98421, 100912, 103992, 106624, 115328, 118848, 121324, 124656, 126276, 131228, 132447, 138656, 142464, 147322, 151368, 158464, 159936, 166208, 168368, 172992, 176596, 181986, 196842, 201824, 207984, 213248, 220983, 229649, 230656, 237696, 242648, 249312, 252552, 262456, 264894, 277312, 284928, 294644, 302736, 319872, 332416, 336736, 345984, 353192, 363972, 393684, 403648, 415968, 441966, 459298, 475392, 485296, 498624, 505104, 515627, 524912, 529788, 554624, 557719, 589288, 605472, 639744, 664832, 673472, 688947, 691968, 706384, 727944, 787368, 807296, 831936, 883932, 918596, 970592, 997248, 1010208, 1031254, 1049824, 1059576, 1109248, 1115438, 1178576, 1210944, 1346944, 1377894, 1412768, 1455888, 1546881, 1574736, 1607543, 1614592, 1663872, 1673157, 1767864, 1837192, 1941184, 1994496, 2020416, 2062508, 2099648, 2119152, 2230876, 2357152, 2421888, 2693888, 2755788, 2825536, 2911776, 3093762, 3149472, 3215086, 3327744, 3346314, 3535728, 3674384, 3882368, 3904033, 4040832, 4125016, 4199296, 4238304, 4461752, 4714304, 4822629, 4843776, 5511576, 5651072, 5823552, 6187524, 6298944, 6430172, 6692628, 7071456, 7348768, 7764736, 7808066, 8081664, 8250032, 8398592, 8476608, 8923504, 9428608, 9645258, 11023152, 11302144, 11647104, 11712099, 12375048, 12597888, 12860344, 13385256, 14142912, 14697536, 15616132, 16500064, 16953216, 17847008, 18857216, 19290516, 22046304, 23294208, 23424198, 24750096, 25195776, 25720688, 26770512, 27328231, 28285824, 29395072, 31232264, 33000128, 33906432, 35694016, 38581032, 44092608, 46848396, 49500192, 51441376, 53541024, 54656462, 56571648, 58790144, 62464528, 66000256, 71388032, 77162064, 81984693, 88185216, 93696792, 99000384, 102882752, 107082048, 109312924, 124929056, 132000512, 142776064, 154324128, 163969386, 176370432, 187393584, 198000768, 205765504, 214164096, 218625848, 249858112, 308648256, 327938772, 374787168, 396001536, 411531008, 428328192, 437251696, 499716224, 617296512, 655877544, 749574336, 874503392, 999432448, 1234593024, 1311755088, 1499148672, 1749006784, 2623510176, 2998297344, 3498013568, 5247020352, 6996027136, 10494040704, 20988081408]

約数ペア:

[(1, 20988081408), (2, 10494040704), (3, 6996027136), (4, 5247020352), (6, 3498013568), (7, 2998297344), (8, 2623510176), (12, 1749006784), (14, 1499148672), (16, 1311755088), (17, 1234593024), (21, 999432448), (24, 874503392), (28, 749574336), (32, 655877544), (34, 617296512), (42, 499716224), (48, 437251696), (49, 428328192), (51, 411531008), (53, 396001536), (56, 374787168), (64, 327938772), (68, 308648256), (84, 249858112), (96, 218625848), (98, 214164096), (102, 205765504), (106, 198000768), (112, 187393584), (119, 176370432), (128, 163969386), (136, 154324128), (147, 142776064), (159, 132000512), (168, 124929056), (192, 109312924), (196, 107082048), (204, 102882752), (212, 99000384), (224, 93696792), (238, 88185216), (256, 81984693), (272, 77162064), (294, 71388032), (318, 66000256), (336, 62464528), (357, 58790144), (371, 56571648), (384, 54656462), (392, 53541024), (408, 51441376), (424, 49500192), (448, 46848396), (476, 44092608), (544, 38581032), (588, 35694016), (619, 33906432), (636, 33000128), (672, 31232264), (714, 29395072), (742, 28285824), (768, 27328231), (784, 26770512), (816, 25720688), (833, 25195776), (848, 24750096), (896, 23424198), (901, 23294208), (952, 22046304), (1088, 19290516), (1113, 18857216), (1176, 17847008), (1238, 16953216), (1272, 16500064), (1344, 15616132), (1428, 14697536), (1484, 14142912), (1568, 13385256), (1632, 12860344), (1666, 12597888), (1696, 12375048), (1792, 11712099), (1802, 11647104), (1857, 11302144), (1904, 11023152), (2176, 9645258), (2226, 9428608), (2352, 8923504), (2476, 8476608), (2499, 8398592), (2544, 8250032), (2597, 8081664), (2688, 7808066), (2703, 7764736), (2856, 7348768), (2968, 7071456), (3136, 6692628), (3264, 6430172), (3332, 6298944), (3392, 6187524), (3604, 5823552), (3714, 5651072), (3808, 5511576), (4333, 4843776), (4352, 4822629), (4452, 4714304), (4704, 4461752), (4952, 4238304), (4998, 4199296), (5088, 4125016), (5194, 4040832), (5376, 3904033), (5406, 3882368), (5712, 3674384), (5936, 3535728), (6272, 3346314), (6307, 3327744), (6528, 3215086), (6664, 3149472), (6784, 3093762), (7208, 2911776), (7428, 2825536), (7616, 2755788), (7791, 2693888), (8666, 2421888), (8904, 2357152), (9408, 2230876), (9904, 2119152), (9996, 2099648), (10176, 2062508), (10388, 2020416), (10523, 1994496), (10812, 1941184), (11424, 1837192), (11872, 1767864), (12544, 1673157), (12614, 1663872), (12999, 1614592), (13056, 1607543), (13328, 1574736), (13568, 1546881), (14416, 1455888), (14856, 1412768), (15232, 1377894), (15582, 1346944), (17332, 1210944), (17808, 1178576), (18816, 1115438), (18921, 1109248), (19808, 1059576), (19992, 1049824), (20352, 1031254), (20776, 1010208), (21046, 997248), (21624, 970592), (22848, 918596), (23744, 883932), (25228, 831936), (25998, 807296), (26656, 787368), (28832, 727944), (29712, 706384), (30331, 691968), (30464, 688947), (31164, 673472), (31569, 664832), (32807, 639744), (34664, 605472), (35616, 589288), (37632, 557719), (37842, 554624), (39616, 529788), (39984, 524912), (40704, 515627), (41552, 505104), (42092, 498624), (43248, 485296), (44149, 475392), (45696, 459298), (47488, 441966), (50456, 415968), (51996, 403648), (53312, 393684), (57664, 363972), (59424, 353192), (60662, 345984), (62328, 336736), (63138, 332416), (65614, 319872), (69328, 302736), (71232, 294644), (73661, 284928), (75684, 277312), (79232, 264894), (79968, 262456), (83104, 252552), (84184, 249312), (86496, 242648), (88298, 237696), (90993, 230656), (91392, 229649), (94976, 220983), (98421, 213248), (100912, 207984), (103992, 201824), (106624, 196842), (115328, 181986), (118848, 176596), (121324, 172992), (124656, 168368), (126276, 166208), (131228, 159936), (132447, 158464), (138656, 151368), (142464, 147322)]