20806441920

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{218923}}^1$

素因数の和:218960

約数の個数: 224

約数和(自身を含む): 80073642240

約数和(自身を除く): 59267200320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 108, 110, 120, 132, 135, 144, 160, 165, 176, 180, 192, 198, 216, 220, 240, 264, 270, 288, 297, 320, 330, 352, 360, 396, 432, 440, 480, 495, 528, 540, 576, 594, 660, 704, 720, 792, 864, 880, 960, 990, 1056, 1080, 1188, 1320, 1440, 1485, 1584, 1728, 1760, 1980, 2112, 2160, 2376, 2640, 2880, 2970, 3168, 3520, 3960, 4320, 4752, 5280, 5940, 6336, 7920, 8640, 9504, 10560, 11880, 15840, 19008, 23760, 31680, 47520, 95040, 218923, 437846, 656769, 875692, 1094615, 1313538, 1751384, 1970307, 2189230, 2408153, 2627076, 3283845, 3502768, 3940614, 4378460, 4816306, 5254152, 5910921, 6567690, 7005536, 7224459, 7881228, 8756920, 9632612, 9851535, 10508304, 11821842, 12040765, 13135380, 14011072, 14448918, 15762456, 17513840, 19265224, 19703070, 21016608, 21673377, 23643684, 24081530, 26270760, 28897836, 29554605, 31524912, 35027680, 36122295, 38530448, 39406140, 42033216, 43346754, 47287368, 48163060, 52541520, 57795672, 59109210, 63049824, 65020131, 70055360, 72244590, 77060896, 78812280, 86693508, 94574736, 96326120, 105083040, 108366885, 115591344, 118218420, 126099648, 130040262, 144489180, 154121792, 157624560, 173387016, 189149472, 192652240, 210166080, 216733770, 231182688, 236436840, 260080524, 288978360, 315249120, 325100655, 346774032, 378298944, 385304480, 433467540, 462365376, 472873680, 520161048, 577956720, 630498240, 650201310, 693548064, 770608960, 866935080, 945747360, 1040322096, 1155913440, 1300402620, 1387096128, 1733870160, 1891494720, 2080644192, 2311826880, 2600805240, 3467740320, 4161288384, 5201610480, 6935480640, 10403220960, 20806441920]

約数ペア:

[(1, 20806441920), (2, 10403220960), (3, 6935480640), (4, 5201610480), (5, 4161288384), (6, 3467740320), (8, 2600805240), (9, 2311826880), (10, 2080644192), (11, 1891494720), (12, 1733870160), (15, 1387096128), (16, 1300402620), (18, 1155913440), (20, 1040322096), (22, 945747360), (24, 866935080), (27, 770608960), (30, 693548064), (32, 650201310), (33, 630498240), (36, 577956720), (40, 520161048), (44, 472873680), (45, 462365376), (48, 433467540), (54, 385304480), (55, 378298944), (60, 346774032), (64, 325100655), (66, 315249120), (72, 288978360), (80, 260080524), (88, 236436840), (90, 231182688), (96, 216733770), (99, 210166080), (108, 192652240), (110, 189149472), (120, 173387016), (132, 157624560), (135, 154121792), (144, 144489180), (160, 130040262), (165, 126099648), (176, 118218420), (180, 115591344), (192, 108366885), (198, 105083040), (216, 96326120), (220, 94574736), (240, 86693508), (264, 78812280), (270, 77060896), (288, 72244590), (297, 70055360), (320, 65020131), (330, 63049824), (352, 59109210), (360, 57795672), (396, 52541520), (432, 48163060), (440, 47287368), (480, 43346754), (495, 42033216), (528, 39406140), (540, 38530448), (576, 36122295), (594, 35027680), (660, 31524912), (704, 29554605), (720, 28897836), (792, 26270760), (864, 24081530), (880, 23643684), (960, 21673377), (990, 21016608), (1056, 19703070), (1080, 19265224), (1188, 17513840), (1320, 15762456), (1440, 14448918), (1485, 14011072), (1584, 13135380), (1728, 12040765), (1760, 11821842), (1980, 10508304), (2112, 9851535), (2160, 9632612), (2376, 8756920), (2640, 7881228), (2880, 7224459), (2970, 7005536), (3168, 6567690), (3520, 5910921), (3960, 5254152), (4320, 4816306), (4752, 4378460), (5280, 3940614), (5940, 3502768), (6336, 3283845), (7920, 2627076), (8640, 2408153), (9504, 2189230), (10560, 1970307), (11880, 1751384), (15840, 1313538), (19008, 1094615), (23760, 875692), (31680, 656769), (47520, 437846), (95040, 218923)]