20331164672

素因数分解:

$2^{10}\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:557

約数の個数: 264

約数和(自身を含む): 51749470080

約数和(自身を除く): 31418305408

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 71, 91, 98, 104, 112, 128, 142, 182, 196, 208, 224, 256, 284, 364, 392, 416, 439, 448, 497, 512, 568, 637, 728, 784, 832, 878, 896, 923, 994, 1024, 1136, 1274, 1456, 1568, 1664, 1756, 1792, 1846, 1988, 2272, 2548, 2912, 3073, 3136, 3328, 3479, 3512, 3584, 3692, 3976, 4544, 5096, 5707, 5824, 6146, 6272, 6461, 6656, 6958, 7024, 7168, 7384, 7952, 9088, 10192, 11414, 11648, 12292, 12544, 12922, 13312, 13916, 14048, 14768, 15904, 18176, 20384, 21511, 22828, 23296, 24584, 25088, 25844, 27832, 28096, 29536, 31169, 31808, 36352, 39949, 40768, 43022, 45227, 45656, 46592, 49168, 50176, 51688, 55664, 56192, 59072, 62338, 63616, 72704, 79898, 81536, 86044, 90454, 91312, 93184, 98336, 103376, 111328, 112384, 118144, 124676, 127232, 159796, 163072, 172088, 180908, 182624, 196672, 206752, 218183, 222656, 224768, 236288, 249352, 254464, 279643, 319592, 326144, 344176, 361816, 365248, 393344, 405197, 413504, 436366, 445312, 449536, 472576, 498704, 508928, 559286, 639184, 652288, 688352, 723632, 730496, 786688, 810394, 827008, 872732, 890624, 945152, 997408, 1118572, 1278368, 1376704, 1447264, 1460992, 1527281, 1573376, 1620788, 1654016, 1745464, 1781248, 1994816, 2237144, 2556736, 2753408, 2836379, 2894528, 2921984, 3054562, 3146752, 3241576, 3308032, 3490928, 3562496, 3989632, 4474288, 5113472, 5506816, 5672758, 5789056, 5843968, 6109124, 6483152, 6616064, 6981856, 7979264, 8948576, 10226944, 11013632, 11345516, 11578112, 12218248, 12966304, 13963712, 15958528, 17897152, 19854653, 20453888, 22027264, 22691032, 23156224, 24436496, 25932608, 27927424, 31917056, 35794304, 39709306, 40907776, 45382064, 46312448, 48872992, 51865216, 55854848, 71588608, 79418612, 90764128, 97745984, 103730432, 111709696, 143177216, 158837224, 181528256, 195491968, 207460864, 223419392, 286354432, 317674448, 363056512, 390983936, 414921728, 635348896, 726113024, 781967872, 1270697792, 1452226048, 1563935744, 2541395584, 2904452096, 5082791168, 10165582336, 20331164672]

約数ペア:

[(1, 20331164672), (2, 10165582336), (4, 5082791168), (7, 2904452096), (8, 2541395584), (13, 1563935744), (14, 1452226048), (16, 1270697792), (26, 781967872), (28, 726113024), (32, 635348896), (49, 414921728), (52, 390983936), (56, 363056512), (64, 317674448), (71, 286354432), (91, 223419392), (98, 207460864), (104, 195491968), (112, 181528256), (128, 158837224), (142, 143177216), (182, 111709696), (196, 103730432), (208, 97745984), (224, 90764128), (256, 79418612), (284, 71588608), (364, 55854848), (392, 51865216), (416, 48872992), (439, 46312448), (448, 45382064), (497, 40907776), (512, 39709306), (568, 35794304), (637, 31917056), (728, 27927424), (784, 25932608), (832, 24436496), (878, 23156224), (896, 22691032), (923, 22027264), (994, 20453888), (1024, 19854653), (1136, 17897152), (1274, 15958528), (1456, 13963712), (1568, 12966304), (1664, 12218248), (1756, 11578112), (1792, 11345516), (1846, 11013632), (1988, 10226944), (2272, 8948576), (2548, 7979264), (2912, 6981856), (3073, 6616064), (3136, 6483152), (3328, 6109124), (3479, 5843968), (3512, 5789056), (3584, 5672758), (3692, 5506816), (3976, 5113472), (4544, 4474288), (5096, 3989632), (5707, 3562496), (5824, 3490928), (6146, 3308032), (6272, 3241576), (6461, 3146752), (6656, 3054562), (6958, 2921984), (7024, 2894528), (7168, 2836379), (7384, 2753408), (7952, 2556736), (9088, 2237144), (10192, 1994816), (11414, 1781248), (11648, 1745464), (12292, 1654016), (12544, 1620788), (12922, 1573376), (13312, 1527281), (13916, 1460992), (14048, 1447264), (14768, 1376704), (15904, 1278368), (18176, 1118572), (20384, 997408), (21511, 945152), (22828, 890624), (23296, 872732), (24584, 827008), (25088, 810394), (25844, 786688), (27832, 730496), (28096, 723632), (29536, 688352), (31169, 652288), (31808, 639184), (36352, 559286), (39949, 508928), (40768, 498704), (43022, 472576), (45227, 449536), (45656, 445312), (46592, 436366), (49168, 413504), (50176, 405197), (51688, 393344), (55664, 365248), (56192, 361816), (59072, 344176), (62338, 326144), (63616, 319592), (72704, 279643), (79898, 254464), (81536, 249352), (86044, 236288), (90454, 224768), (91312, 222656), (93184, 218183), (98336, 206752), (103376, 196672), (111328, 182624), (112384, 180908), (118144, 172088), (124676, 163072), (127232, 159796)]