20996476704

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{383}}^2$

素因数の和:860

約数の個数: 216

約数和(自身を含む): 69380805312

約数和(自身を除く): 48384328608

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 71, 72, 84, 96, 112, 126, 142, 144, 168, 213, 224, 252, 284, 288, 336, 383, 426, 497, 504, 568, 639, 672, 766, 852, 994, 1008, 1136, 1149, 1278, 1491, 1532, 1704, 1988, 2016, 2272, 2298, 2556, 2681, 2982, 3064, 3408, 3447, 3976, 4473, 4596, 5112, 5362, 5964, 6128, 6816, 6894, 7952, 8043, 8946, 9192, 10224, 10724, 11928, 12256, 13788, 15904, 16086, 17892, 18384, 20448, 21448, 23856, 24129, 27193, 27576, 32172, 35784, 36768, 42896, 47712, 48258, 54386, 55152, 64344, 71568, 81579, 85792, 96516, 108772, 110304, 128688, 143136, 146689, 163158, 190351, 193032, 217544, 244737, 257376, 293378, 326316, 380702, 386064, 435088, 440067, 489474, 571053, 586756, 652632, 761404, 772128, 870176, 880134, 978948, 1026823, 1142106, 1173512, 1305264, 1320201, 1522808, 1713159, 1760268, 1957896, 2053646, 2284212, 2347024, 2610528, 2640402, 3045616, 3080469, 3426318, 3520536, 3915792, 4107292, 4568424, 4694048, 5280804, 6091232, 6160938, 6852636, 7041072, 7831584, 8214584, 9136848, 9241407, 10414919, 10561608, 12321876, 13705272, 14082144, 16429168, 18273696, 18482814, 20829838, 21123216, 24643752, 27410544, 31244757, 32858336, 36965628, 41659676, 42246432, 49287504, 54821088, 62489514, 72904433, 73931256, 83319352, 93734271, 98575008, 124979028, 145808866, 147862512, 166638704, 187468542, 218713299, 249958056, 291617732, 295725024, 333277408, 374937084, 437426598, 499916112, 583235464, 656139897, 749874168, 874853196, 999832224, 1166470928, 1312279794, 1499748336, 1749706392, 2332941856, 2624559588, 2999496672, 3499412784, 5249119176, 6998825568, 10498238352, 20996476704]

約数ペア:

[(1, 20996476704), (2, 10498238352), (3, 6998825568), (4, 5249119176), (6, 3499412784), (7, 2999496672), (8, 2624559588), (9, 2332941856), (12, 1749706392), (14, 1499748336), (16, 1312279794), (18, 1166470928), (21, 999832224), (24, 874853196), (28, 749874168), (32, 656139897), (36, 583235464), (42, 499916112), (48, 437426598), (56, 374937084), (63, 333277408), (71, 295725024), (72, 291617732), (84, 249958056), (96, 218713299), (112, 187468542), (126, 166638704), (142, 147862512), (144, 145808866), (168, 124979028), (213, 98575008), (224, 93734271), (252, 83319352), (284, 73931256), (288, 72904433), (336, 62489514), (383, 54821088), (426, 49287504), (497, 42246432), (504, 41659676), (568, 36965628), (639, 32858336), (672, 31244757), (766, 27410544), (852, 24643752), (994, 21123216), (1008, 20829838), (1136, 18482814), (1149, 18273696), (1278, 16429168), (1491, 14082144), (1532, 13705272), (1704, 12321876), (1988, 10561608), (2016, 10414919), (2272, 9241407), (2298, 9136848), (2556, 8214584), (2681, 7831584), (2982, 7041072), (3064, 6852636), (3408, 6160938), (3447, 6091232), (3976, 5280804), (4473, 4694048), (4596, 4568424), (5112, 4107292), (5362, 3915792), (5964, 3520536), (6128, 3426318), (6816, 3080469), (6894, 3045616), (7952, 2640402), (8043, 2610528), (8946, 2347024), (9192, 2284212), (10224, 2053646), (10724, 1957896), (11928, 1760268), (12256, 1713159), (13788, 1522808), (15904, 1320201), (16086, 1305264), (17892, 1173512), (18384, 1142106), (20448, 1026823), (21448, 978948), (23856, 880134), (24129, 870176), (27193, 772128), (27576, 761404), (32172, 652632), (35784, 586756), (36768, 571053), (42896, 489474), (47712, 440067), (48258, 435088), (54386, 386064), (55152, 380702), (64344, 326316), (71568, 293378), (81579, 257376), (85792, 244737), (96516, 217544), (108772, 193032), (110304, 190351), (128688, 163158), (143136, 146689)]