20780188416

素因数分解:

$2^8\times 3^4\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{491}}^1$

素因数の和:689

約数の個数: 360

約数和(自身を含む): 67290924624

約数和(自身を除く): 46510736208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 81, 96, 104, 108, 117, 128, 144, 156, 157, 162, 192, 208, 216, 234, 256, 288, 312, 314, 324, 351, 384, 416, 432, 468, 471, 491, 576, 624, 628, 648, 702, 768, 832, 864, 936, 942, 982, 1053, 1152, 1248, 1256, 1296, 1404, 1413, 1473, 1664, 1728, 1872, 1884, 1964, 2041, 2106, 2304, 2496, 2512, 2592, 2808, 2826, 2946, 3328, 3456, 3744, 3768, 3928, 4082, 4212, 4239, 4419, 4992, 5024, 5184, 5616, 5652, 5892, 6123, 6383, 6912, 7488, 7536, 7856, 8164, 8424, 8478, 8838, 9984, 10048, 10368, 11232, 11304, 11784, 12246, 12717, 12766, 13257, 14976, 15072, 15712, 16328, 16848, 16956, 17676, 18369, 19149, 20096, 20736, 22464, 22608, 23568, 24492, 25434, 25532, 26514, 29952, 30144, 31424, 32656, 33696, 33912, 35352, 36738, 38298, 39771, 40192, 44928, 45216, 47136, 48984, 50868, 51064, 53028, 55107, 57447, 60288, 62848, 65312, 67392, 67824, 70704, 73476, 76596, 77087, 79542, 89856, 90432, 94272, 97968, 101736, 102128, 106056, 110214, 114894, 120576, 125696, 130624, 134784, 135648, 141408, 146952, 153192, 154174, 159084, 165321, 172341, 180864, 188544, 195936, 203472, 204256, 212112, 220428, 229788, 231261, 261248, 269568, 271296, 282816, 293904, 306384, 308348, 318168, 330642, 344682, 361728, 377088, 391872, 406944, 408512, 424224, 440856, 459576, 462522, 517023, 522496, 542592, 565632, 587808, 612768, 616696, 636336, 661284, 689364, 693783, 783744, 813888, 817024, 848448, 881712, 919152, 925044, 1002131, 1034046, 1085184, 1131264, 1175616, 1225536, 1233392, 1272672, 1322568, 1378728, 1387566, 1567488, 1627776, 1634048, 1696896, 1763424, 1838304, 1850088, 2004262, 2068092, 2081349, 2351232, 2451072, 2466784, 2545344, 2645136, 2757456, 2775132, 3006393, 3255552, 3393792, 3526848, 3676608, 3700176, 4008524, 4136184, 4162698, 4702464, 4902144, 4933568, 5090688, 5290272, 5514912, 5550264, 6012786, 6244047, 7053696, 7353216, 7400352, 8017048, 8272368, 8325396, 9019179, 9867136, 10181376, 10580544, 11029824, 11100528, 12025572, 12488094, 14107392, 14706432, 14800704, 16034096, 16544736, 16650792, 18038358, 19734272, 21161088, 22059648, 22201056, 24051144, 24976188, 27057537, 29601408, 32068192, 33089472, 33301584, 36076716, 42322176, 44119296, 44402112, 48102288, 49952376, 54115074, 59202816, 64136384, 66178944, 66603168, 72153432, 81172611, 88804224, 96204576, 99904752, 108230148, 128272768, 132357888, 133206336, 144306864, 162345222, 177608448, 192409152, 199809504, 216460296, 256545536, 266412672, 288613728, 324690444, 384818304, 399619008, 432920592, 532825344, 577227456, 649380888, 769636608, 799238016, 865841184, 1154454912, 1298761776, 1598476032, 1731682368, 2308909824, 2597523552, 3463364736, 5195047104, 6926729472, 10390094208, 20780188416]

約数ペア:

[(1, 20780188416), (2, 10390094208), (3, 6926729472), (4, 5195047104), (6, 3463364736), (8, 2597523552), (9, 2308909824), (12, 1731682368), (13, 1598476032), (16, 1298761776), (18, 1154454912), (24, 865841184), (26, 799238016), (27, 769636608), (32, 649380888), (36, 577227456), (39, 532825344), (48, 432920592), (52, 399619008), (54, 384818304), (64, 324690444), (72, 288613728), (78, 266412672), (81, 256545536), (96, 216460296), (104, 199809504), (108, 192409152), (117, 177608448), (128, 162345222), (144, 144306864), (156, 133206336), (157, 132357888), (162, 128272768), (192, 108230148), (208, 99904752), (216, 96204576), (234, 88804224), (256, 81172611), (288, 72153432), (312, 66603168), (314, 66178944), (324, 64136384), (351, 59202816), (384, 54115074), (416, 49952376), (432, 48102288), (468, 44402112), (471, 44119296), (491, 42322176), (576, 36076716), (624, 33301584), (628, 33089472), (648, 32068192), (702, 29601408), (768, 27057537), (832, 24976188), (864, 24051144), (936, 22201056), (942, 22059648), (982, 21161088), (1053, 19734272), (1152, 18038358), (1248, 16650792), (1256, 16544736), (1296, 16034096), (1404, 14800704), (1413, 14706432), (1473, 14107392), (1664, 12488094), (1728, 12025572), (1872, 11100528), (1884, 11029824), (1964, 10580544), (2041, 10181376), (2106, 9867136), (2304, 9019179), (2496, 8325396), (2512, 8272368), (2592, 8017048), (2808, 7400352), (2826, 7353216), (2946, 7053696), (3328, 6244047), (3456, 6012786), (3744, 5550264), (3768, 5514912), (3928, 5290272), (4082, 5090688), (4212, 4933568), (4239, 4902144), (4419, 4702464), (4992, 4162698), (5024, 4136184), (5184, 4008524), (5616, 3700176), (5652, 3676608), (5892, 3526848), (6123, 3393792), (6383, 3255552), (6912, 3006393), (7488, 2775132), (7536, 2757456), (7856, 2645136), (8164, 2545344), (8424, 2466784), (8478, 2451072), (8838, 2351232), (9984, 2081349), (10048, 2068092), (10368, 2004262), (11232, 1850088), (11304, 1838304), (11784, 1763424), (12246, 1696896), (12717, 1634048), (12766, 1627776), (13257, 1567488), (14976, 1387566), (15072, 1378728), (15712, 1322568), (16328, 1272672), (16848, 1233392), (16956, 1225536), (17676, 1175616), (18369, 1131264), (19149, 1085184), (20096, 1034046), (20736, 1002131), (22464, 925044), (22608, 919152), (23568, 881712), (24492, 848448), (25434, 817024), (25532, 813888), (26514, 783744), (29952, 693783), (30144, 689364), (31424, 661284), (32656, 636336), (33696, 616696), (33912, 612768), (35352, 587808), (36738, 565632), (38298, 542592), (39771, 522496), (40192, 517023), (44928, 462522), (45216, 459576), (47136, 440856), (48984, 424224), (50868, 408512), (51064, 406944), (53028, 391872), (55107, 377088), (57447, 361728), (60288, 344682), (62848, 330642), (65312, 318168), (67392, 308348), (67824, 306384), (70704, 293904), (73476, 282816), (76596, 271296), (77087, 269568), (79542, 261248), (89856, 231261), (90432, 229788), (94272, 220428), (97968, 212112), (101736, 204256), (102128, 203472), (106056, 195936), (110214, 188544), (114894, 180864), (120576, 172341), (125696, 165321), (130624, 159084), (134784, 154174), (135648, 153192), (141408, 146952)]