20885715840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{58171}}^1$

素因数の和:58221

約数の個数: 256

約数和(自身を含む): 76898730240

約数和(自身を除く): 56013014400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 20, 22, 24, 30, 32, 33, 34, 40, 44, 48, 51, 55, 60, 64, 66, 68, 80, 85, 88, 96, 102, 110, 120, 128, 132, 136, 160, 165, 170, 176, 187, 192, 204, 220, 240, 255, 264, 272, 320, 330, 340, 352, 374, 384, 408, 440, 480, 510, 528, 544, 561, 640, 660, 680, 704, 748, 816, 880, 935, 960, 1020, 1056, 1088, 1122, 1320, 1360, 1408, 1496, 1632, 1760, 1870, 1920, 2040, 2112, 2176, 2244, 2640, 2720, 2805, 2992, 3264, 3520, 3740, 4080, 4224, 4488, 5280, 5440, 5610, 5984, 6528, 7040, 7480, 8160, 8976, 10560, 10880, 11220, 11968, 14960, 16320, 17952, 21120, 22440, 23936, 29920, 32640, 35904, 44880, 58171, 59840, 71808, 89760, 116342, 119680, 174513, 179520, 232684, 290855, 349026, 359040, 465368, 581710, 639881, 698052, 872565, 930736, 988907, 1163420, 1279762, 1396104, 1745130, 1861472, 1919643, 1977814, 2326840, 2559524, 2792208, 2966721, 3199405, 3490260, 3722944, 3839286, 3955628, 4653680, 4944535, 5119048, 5584416, 5933442, 6398810, 6980520, 7445888, 7678572, 7911256, 9307360, 9598215, 9889070, 10238096, 10877977, 11168832, 11866884, 12797620, 13961040, 14833605, 15357144, 15822512, 18614720, 19196430, 19778140, 20476192, 21755954, 22337664, 23733768, 25595240, 27922080, 29667210, 30714288, 31645024, 32633931, 37229440, 38392860, 39556280, 40952384, 43511908, 47467536, 51190480, 54389885, 55844160, 59334420, 61428576, 63290048, 65267862, 76785720, 79112560, 81904768, 87023816, 94935072, 102380960, 108779770, 111688320, 118668840, 122857152, 126580096, 130535724, 153571440, 158225120, 163169655, 174047632, 189870144, 204761920, 217559540, 237337680, 245714304, 261071448, 307142880, 316450240, 326339310, 348095264, 379740288, 409523840, 435119080, 474675360, 522142896, 614285760, 632900480, 652678620, 696190528, 870238160, 949350720, 1044285792, 1228571520, 1305357240, 1392381056, 1740476320, 1898701440, 2088571584, 2610714480, 3480952640, 4177143168, 5221428960, 6961905280, 10442857920, 20885715840]

約数ペア:

[(1, 20885715840), (2, 10442857920), (3, 6961905280), (4, 5221428960), (5, 4177143168), (6, 3480952640), (8, 2610714480), (10, 2088571584), (11, 1898701440), (12, 1740476320), (15, 1392381056), (16, 1305357240), (17, 1228571520), (20, 1044285792), (22, 949350720), (24, 870238160), (30, 696190528), (32, 652678620), (33, 632900480), (34, 614285760), (40, 522142896), (44, 474675360), (48, 435119080), (51, 409523840), (55, 379740288), (60, 348095264), (64, 326339310), (66, 316450240), (68, 307142880), (80, 261071448), (85, 245714304), (88, 237337680), (96, 217559540), (102, 204761920), (110, 189870144), (120, 174047632), (128, 163169655), (132, 158225120), (136, 153571440), (160, 130535724), (165, 126580096), (170, 122857152), (176, 118668840), (187, 111688320), (192, 108779770), (204, 102380960), (220, 94935072), (240, 87023816), (255, 81904768), (264, 79112560), (272, 76785720), (320, 65267862), (330, 63290048), (340, 61428576), (352, 59334420), (374, 55844160), (384, 54389885), (408, 51190480), (440, 47467536), (480, 43511908), (510, 40952384), (528, 39556280), (544, 38392860), (561, 37229440), (640, 32633931), (660, 31645024), (680, 30714288), (704, 29667210), (748, 27922080), (816, 25595240), (880, 23733768), (935, 22337664), (960, 21755954), (1020, 20476192), (1056, 19778140), (1088, 19196430), (1122, 18614720), (1320, 15822512), (1360, 15357144), (1408, 14833605), (1496, 13961040), (1632, 12797620), (1760, 11866884), (1870, 11168832), (1920, 10877977), (2040, 10238096), (2112, 9889070), (2176, 9598215), (2244, 9307360), (2640, 7911256), (2720, 7678572), (2805, 7445888), (2992, 6980520), (3264, 6398810), (3520, 5933442), (3740, 5584416), (4080, 5119048), (4224, 4944535), (4488, 4653680), (5280, 3955628), (5440, 3839286), (5610, 3722944), (5984, 3490260), (6528, 3199405), (7040, 2966721), (7480, 2792208), (8160, 2559524), (8976, 2326840), (10560, 1977814), (10880, 1919643), (11220, 1861472), (11968, 1745130), (14960, 1396104), (16320, 1279762), (17952, 1163420), (21120, 988907), (22440, 930736), (23936, 872565), (29920, 698052), (32640, 639881), (35904, 581710), (44880, 465368), (58171, 359040), (59840, 349026), (71808, 290855), (89760, 232684), (116342, 179520), (119680, 174513)]