20657356800

素因数分解:

$2^{14}\times 3^1\times 5^2\times {\mathrm{16811}}^1$

素因数の和:16852

約数の個数: 180

約数和(自身を含む): 68308971696

約数和(自身を除く): 47651614896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 240, 256, 300, 320, 384, 400, 480, 512, 600, 640, 768, 800, 960, 1024, 1200, 1280, 1536, 1600, 1920, 2048, 2400, 2560, 3072, 3200, 3840, 4096, 4800, 5120, 6144, 6400, 7680, 8192, 9600, 10240, 12288, 12800, 15360, 16384, 16811, 19200, 20480, 24576, 25600, 30720, 33622, 38400, 40960, 49152, 50433, 51200, 61440, 67244, 76800, 81920, 84055, 100866, 102400, 122880, 134488, 153600, 168110, 201732, 204800, 245760, 252165, 268976, 307200, 336220, 403464, 409600, 420275, 504330, 537952, 614400, 672440, 806928, 840550, 1008660, 1075904, 1228800, 1260825, 1344880, 1613856, 1681100, 2017320, 2151808, 2521650, 2689760, 3227712, 3362200, 4034640, 4303616, 5043300, 5379520, 6455424, 6724400, 8069280, 8607232, 10086600, 10759040, 12910848, 13448800, 16138560, 17214464, 20173200, 21518080, 25821696, 26897600, 32277120, 34428928, 40346400, 43036160, 51643392, 53795200, 64554240, 68857856, 80692800, 86072320, 103286784, 107590400, 129108480, 137715712, 161385600, 172144640, 206573568, 215180800, 258216960, 275431424, 322771200, 344289280, 413147136, 430361600, 516433920, 645542400, 688578560, 826294272, 860723200, 1032867840, 1291084800, 1377157120, 1721446400, 2065735680, 2582169600, 3442892800, 4131471360, 5164339200, 6885785600, 10328678400, 20657356800]

約数ペア:

[(1, 20657356800), (2, 10328678400), (3, 6885785600), (4, 5164339200), (5, 4131471360), (6, 3442892800), (8, 2582169600), (10, 2065735680), (12, 1721446400), (15, 1377157120), (16, 1291084800), (20, 1032867840), (24, 860723200), (25, 826294272), (30, 688578560), (32, 645542400), (40, 516433920), (48, 430361600), (50, 413147136), (60, 344289280), (64, 322771200), (75, 275431424), (80, 258216960), (96, 215180800), (100, 206573568), (120, 172144640), (128, 161385600), (150, 137715712), (160, 129108480), (192, 107590400), (200, 103286784), (240, 86072320), (256, 80692800), (300, 68857856), (320, 64554240), (384, 53795200), (400, 51643392), (480, 43036160), (512, 40346400), (600, 34428928), (640, 32277120), (768, 26897600), (800, 25821696), (960, 21518080), (1024, 20173200), (1200, 17214464), (1280, 16138560), (1536, 13448800), (1600, 12910848), (1920, 10759040), (2048, 10086600), (2400, 8607232), (2560, 8069280), (3072, 6724400), (3200, 6455424), (3840, 5379520), (4096, 5043300), (4800, 4303616), (5120, 4034640), (6144, 3362200), (6400, 3227712), (7680, 2689760), (8192, 2521650), (9600, 2151808), (10240, 2017320), (12288, 1681100), (12800, 1613856), (15360, 1344880), (16384, 1260825), (16811, 1228800), (19200, 1075904), (20480, 1008660), (24576, 840550), (25600, 806928), (30720, 672440), (33622, 614400), (38400, 537952), (40960, 504330), (49152, 420275), (50433, 409600), (51200, 403464), (61440, 336220), (67244, 307200), (76800, 268976), (81920, 252165), (84055, 245760), (100866, 204800), (102400, 201732), (122880, 168110), (134488, 153600)]