20912011008

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:543

約数の個数: 288

約数和(自身を含む): 64926597120

約数和(自身を除く): 44014586112

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 109, 112, 127, 128, 168, 192, 218, 224, 254, 256, 281, 327, 336, 381, 384, 436, 448, 508, 562, 654, 672, 762, 763, 768, 843, 872, 889, 896, 1016, 1124, 1308, 1344, 1524, 1526, 1686, 1744, 1778, 1792, 1967, 2032, 2248, 2289, 2616, 2667, 2688, 3048, 3052, 3372, 3488, 3556, 3934, 4064, 4496, 4578, 5232, 5334, 5376, 5901, 6096, 6104, 6744, 6976, 7112, 7868, 8128, 8992, 9156, 10464, 10668, 11802, 12192, 12208, 13488, 13843, 13952, 14224, 15736, 16256, 17984, 18312, 20928, 21336, 23604, 24384, 24416, 26976, 27686, 27904, 28448, 30629, 31472, 32512, 35687, 35968, 36624, 41529, 41856, 42672, 47208, 48768, 48832, 53952, 55372, 56896, 61258, 62944, 71374, 71936, 73248, 83058, 83712, 85344, 91887, 94416, 96901, 97536, 97664, 107061, 107904, 110744, 113792, 122516, 125888, 142748, 146496, 166116, 170688, 183774, 188832, 193802, 195328, 214122, 214403, 215808, 221488, 227584, 245032, 249809, 251776, 285496, 290703, 292992, 332232, 341376, 367548, 377664, 387604, 428244, 428806, 442976, 490064, 499618, 503552, 570992, 581406, 585984, 643209, 664464, 682752, 735096, 749427, 755328, 775208, 856488, 857612, 885952, 980128, 999236, 1141984, 1162812, 1286418, 1328928, 1470192, 1498854, 1510656, 1550416, 1712976, 1715224, 1771904, 1960256, 1998472, 2283968, 2325624, 2572836, 2657856, 2940384, 2997708, 3100832, 3425952, 3430448, 3543808, 3889883, 3920512, 3996944, 4567936, 4651248, 5145672, 5315712, 5880768, 5995416, 6201664, 6851904, 6860896, 7779766, 7841024, 7993888, 9135872, 9302496, 10291344, 10631424, 11669649, 11761536, 11990832, 12403328, 13703808, 13721792, 15559532, 15987776, 18604992, 20582688, 23339298, 23523072, 23981664, 24806656, 27229181, 27407616, 27443584, 31119064, 31975552, 37209984, 41165376, 46678596, 47963328, 54458362, 54887168, 62238128, 63951104, 74419968, 81687543, 82330752, 93357192, 95926656, 108916724, 124476256, 163375086, 164661504, 186714384, 191853312, 217833448, 248952512, 326750172, 373428768, 435666896, 497905024, 653500344, 746857536, 871333792, 995810048, 1307000688, 1493715072, 1742667584, 2614001376, 2987430144, 3485335168, 5228002752, 6970670336, 10456005504, 20912011008]

約数ペア:

[(1, 20912011008), (2, 10456005504), (3, 6970670336), (4, 5228002752), (6, 3485335168), (7, 2987430144), (8, 2614001376), (12, 1742667584), (14, 1493715072), (16, 1307000688), (21, 995810048), (24, 871333792), (28, 746857536), (32, 653500344), (42, 497905024), (48, 435666896), (56, 373428768), (64, 326750172), (84, 248952512), (96, 217833448), (109, 191853312), (112, 186714384), (127, 164661504), (128, 163375086), (168, 124476256), (192, 108916724), (218, 95926656), (224, 93357192), (254, 82330752), (256, 81687543), (281, 74419968), (327, 63951104), (336, 62238128), (381, 54887168), (384, 54458362), (436, 47963328), (448, 46678596), (508, 41165376), (562, 37209984), (654, 31975552), (672, 31119064), (762, 27443584), (763, 27407616), (768, 27229181), (843, 24806656), (872, 23981664), (889, 23523072), (896, 23339298), (1016, 20582688), (1124, 18604992), (1308, 15987776), (1344, 15559532), (1524, 13721792), (1526, 13703808), (1686, 12403328), (1744, 11990832), (1778, 11761536), (1792, 11669649), (1967, 10631424), (2032, 10291344), (2248, 9302496), (2289, 9135872), (2616, 7993888), (2667, 7841024), (2688, 7779766), (3048, 6860896), (3052, 6851904), (3372, 6201664), (3488, 5995416), (3556, 5880768), (3934, 5315712), (4064, 5145672), (4496, 4651248), (4578, 4567936), (5232, 3996944), (5334, 3920512), (5376, 3889883), (5901, 3543808), (6096, 3430448), (6104, 3425952), (6744, 3100832), (6976, 2997708), (7112, 2940384), (7868, 2657856), (8128, 2572836), (8992, 2325624), (9156, 2283968), (10464, 1998472), (10668, 1960256), (11802, 1771904), (12192, 1715224), (12208, 1712976), (13488, 1550416), (13843, 1510656), (13952, 1498854), (14224, 1470192), (15736, 1328928), (16256, 1286418), (17984, 1162812), (18312, 1141984), (20928, 999236), (21336, 980128), (23604, 885952), (24384, 857612), (24416, 856488), (26976, 775208), (27686, 755328), (27904, 749427), (28448, 735096), (30629, 682752), (31472, 664464), (32512, 643209), (35687, 585984), (35968, 581406), (36624, 570992), (41529, 503552), (41856, 499618), (42672, 490064), (47208, 442976), (48768, 428806), (48832, 428244), (53952, 387604), (55372, 377664), (56896, 367548), (61258, 341376), (62944, 332232), (71374, 292992), (71936, 290703), (73248, 285496), (83058, 251776), (83712, 249809), (85344, 245032), (91887, 227584), (94416, 221488), (96901, 215808), (97536, 214403), (97664, 214122), (107061, 195328), (107904, 193802), (110744, 188832), (113792, 183774), (122516, 170688), (125888, 166116), (142748, 146496)]