20000741760

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{17449}}^1$

素因数の和:17673

約数の個数: 192

約数和(自身を含む): 69416100000

約数和(自身を除く): 49415358240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 199, 240, 288, 320, 360, 384, 398, 480, 576, 597, 640, 720, 796, 960, 995, 1152, 1194, 1440, 1592, 1791, 1920, 1990, 2388, 2880, 2985, 3184, 3582, 3980, 4776, 5760, 5970, 6368, 7164, 7960, 8955, 9552, 11940, 12736, 14328, 15920, 17449, 17910, 19104, 23880, 25472, 28656, 31840, 34898, 35820, 38208, 47760, 52347, 57312, 63680, 69796, 71640, 76416, 87245, 95520, 104694, 114624, 127360, 139592, 143280, 157041, 174490, 191040, 209388, 229248, 261735, 279184, 286560, 314082, 348980, 382080, 418776, 523470, 558368, 573120, 628164, 697960, 785205, 837552, 1046940, 1116736, 1146240, 1256328, 1395920, 1570410, 1675104, 2093880, 2233472, 2512656, 2791840, 3140820, 3350208, 3472351, 4187760, 5025312, 5583680, 6281640, 6700416, 6944702, 8375520, 10050624, 10417053, 11167360, 12563280, 13889404, 16751040, 17361755, 20101248, 20834106, 25126560, 27778808, 31251159, 33502080, 34723510, 41668212, 50253120, 52085265, 55557616, 62502318, 69447020, 83336424, 100506240, 104170530, 111115232, 125004636, 138894040, 156255795, 166672848, 208341060, 222230464, 250009272, 277788080, 312511590, 333345696, 416682120, 444460928, 500018544, 555576160, 625023180, 666691392, 833364240, 1000037088, 1111152320, 1250046360, 1333382784, 1666728480, 2000074176, 2222304640, 2500092720, 3333456960, 4000148352, 5000185440, 6666913920, 10000370880, 20000741760]

約数ペア:

[(1, 20000741760), (2, 10000370880), (3, 6666913920), (4, 5000185440), (5, 4000148352), (6, 3333456960), (8, 2500092720), (9, 2222304640), (10, 2000074176), (12, 1666728480), (15, 1333382784), (16, 1250046360), (18, 1111152320), (20, 1000037088), (24, 833364240), (30, 666691392), (32, 625023180), (36, 555576160), (40, 500018544), (45, 444460928), (48, 416682120), (60, 333345696), (64, 312511590), (72, 277788080), (80, 250009272), (90, 222230464), (96, 208341060), (120, 166672848), (128, 156255795), (144, 138894040), (160, 125004636), (180, 111115232), (192, 104170530), (199, 100506240), (240, 83336424), (288, 69447020), (320, 62502318), (360, 55557616), (384, 52085265), (398, 50253120), (480, 41668212), (576, 34723510), (597, 33502080), (640, 31251159), (720, 27778808), (796, 25126560), (960, 20834106), (995, 20101248), (1152, 17361755), (1194, 16751040), (1440, 13889404), (1592, 12563280), (1791, 11167360), (1920, 10417053), (1990, 10050624), (2388, 8375520), (2880, 6944702), (2985, 6700416), (3184, 6281640), (3582, 5583680), (3980, 5025312), (4776, 4187760), (5760, 3472351), (5970, 3350208), (6368, 3140820), (7164, 2791840), (7960, 2512656), (8955, 2233472), (9552, 2093880), (11940, 1675104), (12736, 1570410), (14328, 1395920), (15920, 1256328), (17449, 1146240), (17910, 1116736), (19104, 1046940), (23880, 837552), (25472, 785205), (28656, 697960), (31840, 628164), (34898, 573120), (35820, 558368), (38208, 523470), (47760, 418776), (52347, 382080), (57312, 348980), (63680, 314082), (69796, 286560), (71640, 279184), (76416, 261735), (87245, 229248), (95520, 209388), (104694, 191040), (114624, 174490), (127360, 157041), (139592, 143280)]