20000545920

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1373}}^1$

素因数の和:1685

約数の個数: 320

約数和(自身を含む): 71731950840

約数和(自身を除く): 51731404920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 270, 281, 288, 320, 324, 360, 384, 405, 432, 480, 540, 562, 576, 640, 648, 720, 810, 843, 864, 960, 1080, 1124, 1152, 1296, 1373, 1405, 1440, 1620, 1686, 1728, 1920, 2160, 2248, 2529, 2592, 2746, 2810, 2880, 3240, 3372, 3456, 4119, 4215, 4320, 4496, 5058, 5184, 5492, 5620, 5760, 6480, 6744, 6865, 7587, 8238, 8430, 8640, 8992, 10116, 10368, 10984, 11240, 12357, 12645, 12960, 13488, 13730, 15174, 16476, 16860, 17280, 17984, 20232, 20595, 21968, 22480, 22761, 24714, 25290, 25920, 26976, 27460, 30348, 32952, 33720, 35968, 37071, 37935, 40464, 41190, 43936, 44960, 45522, 49428, 50580, 51840, 53952, 54920, 60696, 61785, 65904, 67440, 74142, 75870, 80928, 82380, 87872, 89920, 91044, 98856, 101160, 107904, 109840, 111213, 113805, 121392, 123570, 131808, 134880, 148284, 151740, 161856, 164760, 175744, 179840, 182088, 185355, 197712, 202320, 219680, 222426, 227610, 242784, 247140, 263616, 269760, 296568, 303480, 323712, 329520, 364176, 370710, 385813, 395424, 404640, 439360, 444852, 455220, 485568, 494280, 527232, 539520, 556065, 593136, 606960, 659040, 728352, 741420, 771626, 790848, 809280, 878720, 889704, 910440, 971136, 988560, 1112130, 1157439, 1186272, 1213920, 1318080, 1456704, 1482840, 1543252, 1581696, 1618560, 1779408, 1820880, 1929065, 1977120, 2224260, 2314878, 2372544, 2427840, 2636160, 2913408, 2965680, 3086504, 3472317, 3558816, 3641760, 3858130, 3954240, 4448520, 4629756, 4745088, 4855680, 5787195, 5931360, 6173008, 6944634, 7117632, 7283520, 7716260, 7908480, 8897040, 9259512, 10416951, 11574390, 11862720, 12346016, 13889268, 14235264, 14567040, 15432520, 17361585, 17794080, 18519024, 20833902, 23148780, 23725440, 24692032, 27778536, 30865040, 31250853, 34723170, 35588160, 37038048, 41667804, 46297560, 49384064, 52084755, 55557072, 61730080, 62501706, 69446340, 71176320, 74076096, 83335608, 92595120, 104169510, 111114144, 123460160, 125003412, 138892680, 148152192, 156254265, 166671216, 185190240, 208339020, 222228288, 246920320, 250006824, 277785360, 312508530, 333342432, 370380480, 416678040, 444456576, 500013648, 555570720, 625017060, 666684864, 740760960, 833356080, 1000027296, 1111141440, 1250034120, 1333369728, 1666712160, 2000054592, 2222282880, 2500068240, 3333424320, 4000109184, 5000136480, 6666848640, 10000272960, 20000545920]

約数ペア:

[(1, 20000545920), (2, 10000272960), (3, 6666848640), (4, 5000136480), (5, 4000109184), (6, 3333424320), (8, 2500068240), (9, 2222282880), (10, 2000054592), (12, 1666712160), (15, 1333369728), (16, 1250034120), (18, 1111141440), (20, 1000027296), (24, 833356080), (27, 740760960), (30, 666684864), (32, 625017060), (36, 555570720), (40, 500013648), (45, 444456576), (48, 416678040), (54, 370380480), (60, 333342432), (64, 312508530), (72, 277785360), (80, 250006824), (81, 246920320), (90, 222228288), (96, 208339020), (108, 185190240), (120, 166671216), (128, 156254265), (135, 148152192), (144, 138892680), (160, 125003412), (162, 123460160), (180, 111114144), (192, 104169510), (216, 92595120), (240, 83335608), (270, 74076096), (281, 71176320), (288, 69446340), (320, 62501706), (324, 61730080), (360, 55557072), (384, 52084755), (405, 49384064), (432, 46297560), (480, 41667804), (540, 37038048), (562, 35588160), (576, 34723170), (640, 31250853), (648, 30865040), (720, 27778536), (810, 24692032), (843, 23725440), (864, 23148780), (960, 20833902), (1080, 18519024), (1124, 17794080), (1152, 17361585), (1296, 15432520), (1373, 14567040), (1405, 14235264), (1440, 13889268), (1620, 12346016), (1686, 11862720), (1728, 11574390), (1920, 10416951), (2160, 9259512), (2248, 8897040), (2529, 7908480), (2592, 7716260), (2746, 7283520), (2810, 7117632), (2880, 6944634), (3240, 6173008), (3372, 5931360), (3456, 5787195), (4119, 4855680), (4215, 4745088), (4320, 4629756), (4496, 4448520), (5058, 3954240), (5184, 3858130), (5492, 3641760), (5620, 3558816), (5760, 3472317), (6480, 3086504), (6744, 2965680), (6865, 2913408), (7587, 2636160), (8238, 2427840), (8430, 2372544), (8640, 2314878), (8992, 2224260), (10116, 1977120), (10368, 1929065), (10984, 1820880), (11240, 1779408), (12357, 1618560), (12645, 1581696), (12960, 1543252), (13488, 1482840), (13730, 1456704), (15174, 1318080), (16476, 1213920), (16860, 1186272), (17280, 1157439), (17984, 1112130), (20232, 988560), (20595, 971136), (21968, 910440), (22480, 889704), (22761, 878720), (24714, 809280), (25290, 790848), (25920, 771626), (26976, 741420), (27460, 728352), (30348, 659040), (32952, 606960), (33720, 593136), (35968, 556065), (37071, 539520), (37935, 527232), (40464, 494280), (41190, 485568), (43936, 455220), (44960, 444852), (45522, 439360), (49428, 404640), (50580, 395424), (51840, 385813), (53952, 370710), (54920, 364176), (60696, 329520), (61785, 323712), (65904, 303480), (67440, 296568), (74142, 269760), (75870, 263616), (80928, 247140), (82380, 242784), (87872, 227610), (89920, 222426), (91044, 219680), (98856, 202320), (101160, 197712), (107904, 185355), (109840, 182088), (111213, 179840), (113805, 175744), (121392, 164760), (123570, 161856), (131808, 151740), (134880, 148284)]