20257775616

素因数分解:

$2^{13}\times 3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{389}}^1$

素因数の和:594

約数の個数: 224

約数和(自身を含む): 58679974080

約数和(自身を除く): 38422198464

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 163, 192, 208, 256, 312, 326, 384, 389, 416, 489, 512, 624, 652, 768, 778, 832, 978, 1024, 1167, 1248, 1304, 1536, 1556, 1664, 1956, 2048, 2119, 2334, 2496, 2608, 3072, 3112, 3328, 3912, 4096, 4238, 4668, 4992, 5057, 5216, 6144, 6224, 6357, 6656, 7824, 8192, 8476, 9336, 9984, 10114, 10432, 12288, 12448, 12714, 13312, 15171, 15648, 16952, 18672, 19968, 20228, 20864, 24576, 24896, 25428, 26624, 30342, 31296, 33904, 37344, 39936, 40456, 41728, 49792, 50856, 53248, 60684, 62592, 63407, 67808, 74688, 79872, 80912, 83456, 99584, 101712, 106496, 121368, 125184, 126814, 135616, 149376, 159744, 161824, 166912, 190221, 199168, 203424, 242736, 250368, 253628, 271232, 298752, 319488, 323648, 333824, 380442, 398336, 406848, 485472, 500736, 507256, 542464, 597504, 647296, 667648, 760884, 796672, 813696, 824291, 970944, 1001472, 1014512, 1084928, 1195008, 1294592, 1335296, 1521768, 1593344, 1627392, 1648582, 1941888, 2002944, 2029024, 2169856, 2390016, 2472873, 2589184, 3043536, 3186688, 3254784, 3297164, 3883776, 4005888, 4058048, 4339712, 4780032, 4945746, 5178368, 6087072, 6509568, 6594328, 7767552, 8116096, 8679424, 9560064, 9891492, 10356736, 12174144, 13019136, 13188656, 15535104, 16232192, 17358848, 19782984, 20713472, 24348288, 26038272, 26377312, 31070208, 32464384, 39565968, 41426944, 48696576, 52076544, 52754624, 62140416, 64928768, 79131936, 97393152, 105509248, 124280832, 129857536, 158263872, 194786304, 211018496, 259715072, 316527744, 389572608, 422036992, 519430144, 633055488, 779145216, 844073984, 1266110976, 1558290432, 1688147968, 2532221952, 3376295936, 5064443904, 6752591872, 10128887808, 20257775616]

約数ペア:

[(1, 20257775616), (2, 10128887808), (3, 6752591872), (4, 5064443904), (6, 3376295936), (8, 2532221952), (12, 1688147968), (13, 1558290432), (16, 1266110976), (24, 844073984), (26, 779145216), (32, 633055488), (39, 519430144), (48, 422036992), (52, 389572608), (64, 316527744), (78, 259715072), (96, 211018496), (104, 194786304), (128, 158263872), (156, 129857536), (163, 124280832), (192, 105509248), (208, 97393152), (256, 79131936), (312, 64928768), (326, 62140416), (384, 52754624), (389, 52076544), (416, 48696576), (489, 41426944), (512, 39565968), (624, 32464384), (652, 31070208), (768, 26377312), (778, 26038272), (832, 24348288), (978, 20713472), (1024, 19782984), (1167, 17358848), (1248, 16232192), (1304, 15535104), (1536, 13188656), (1556, 13019136), (1664, 12174144), (1956, 10356736), (2048, 9891492), (2119, 9560064), (2334, 8679424), (2496, 8116096), (2608, 7767552), (3072, 6594328), (3112, 6509568), (3328, 6087072), (3912, 5178368), (4096, 4945746), (4238, 4780032), (4668, 4339712), (4992, 4058048), (5057, 4005888), (5216, 3883776), (6144, 3297164), (6224, 3254784), (6357, 3186688), (6656, 3043536), (7824, 2589184), (8192, 2472873), (8476, 2390016), (9336, 2169856), (9984, 2029024), (10114, 2002944), (10432, 1941888), (12288, 1648582), (12448, 1627392), (12714, 1593344), (13312, 1521768), (15171, 1335296), (15648, 1294592), (16952, 1195008), (18672, 1084928), (19968, 1014512), (20228, 1001472), (20864, 970944), (24576, 824291), (24896, 813696), (25428, 796672), (26624, 760884), (30342, 667648), (31296, 647296), (33904, 597504), (37344, 542464), (39936, 507256), (40456, 500736), (41728, 485472), (49792, 406848), (50856, 398336), (53248, 380442), (60684, 333824), (62592, 323648), (63407, 319488), (67808, 298752), (74688, 271232), (79872, 253628), (80912, 250368), (83456, 242736), (99584, 203424), (101712, 199168), (106496, 190221), (121368, 166912), (125184, 161824), (126814, 159744), (135616, 149376)]