20408957712

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{8191}}^1$

素因数の和:8251

約数の個数: 240

約数和(自身を含む): 67665002496

約数和(自身を除く): 47256044784

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 33, 36, 39, 44, 48, 52, 66, 72, 78, 88, 99, 104, 117, 121, 132, 143, 144, 156, 176, 198, 208, 234, 242, 264, 286, 312, 363, 396, 429, 468, 484, 528, 572, 624, 726, 792, 858, 936, 968, 1089, 1144, 1287, 1331, 1452, 1573, 1584, 1716, 1872, 1936, 2178, 2288, 2574, 2662, 2904, 3146, 3432, 3993, 4356, 4719, 5148, 5324, 5808, 6292, 6864, 7986, 8191, 8712, 9438, 10296, 10648, 11979, 12584, 14157, 15972, 16382, 17303, 17424, 18876, 20592, 21296, 23958, 24573, 25168, 28314, 31944, 32764, 34606, 37752, 47916, 49146, 51909, 56628, 63888, 65528, 69212, 73719, 75504, 90101, 95832, 98292, 103818, 106483, 113256, 131056, 138424, 147438, 155727, 180202, 191664, 196584, 207636, 212966, 226512, 270303, 276848, 294876, 311454, 319449, 360404, 393168, 415272, 425932, 540606, 589752, 622908, 638898, 720808, 810909, 830544, 851864, 958347, 991111, 1081212, 1171313, 1179504, 1245816, 1277796, 1441616, 1621818, 1703728, 1916694, 1982222, 2162424, 2342626, 2491632, 2555592, 2973333, 3243636, 3513939, 3833388, 3964444, 4324848, 4685252, 5111184, 5946666, 6487272, 7027878, 7666776, 7928888, 8919999, 9370504, 10541817, 10902221, 11893332, 12884443, 12974544, 14055756, 15333552, 15857776, 17839998, 18741008, 21083634, 21804442, 23786664, 25768886, 28111512, 32706663, 35679996, 38653329, 42167268, 43608884, 47573328, 51537772, 56223024, 65413326, 71359992, 77306658, 84334536, 87217768, 98119989, 103075544, 115959987, 130826652, 141728873, 142719984, 154613316, 168669072, 174435536, 196239978, 206151088, 231919974, 261653304, 283457746, 309226632, 392479956, 425186619, 463839948, 523306608, 566915492, 618453264, 784959912, 850373238, 927679896, 1133830984, 1275559857, 1569919824, 1700746476, 1855359792, 2267661968, 2551119714, 3401492952, 5102239428, 6802985904, 10204478856, 20408957712]

約数ペア:

[(1, 20408957712), (2, 10204478856), (3, 6802985904), (4, 5102239428), (6, 3401492952), (8, 2551119714), (9, 2267661968), (11, 1855359792), (12, 1700746476), (13, 1569919824), (16, 1275559857), (18, 1133830984), (22, 927679896), (24, 850373238), (26, 784959912), (33, 618453264), (36, 566915492), (39, 523306608), (44, 463839948), (48, 425186619), (52, 392479956), (66, 309226632), (72, 283457746), (78, 261653304), (88, 231919974), (99, 206151088), (104, 196239978), (117, 174435536), (121, 168669072), (132, 154613316), (143, 142719984), (144, 141728873), (156, 130826652), (176, 115959987), (198, 103075544), (208, 98119989), (234, 87217768), (242, 84334536), (264, 77306658), (286, 71359992), (312, 65413326), (363, 56223024), (396, 51537772), (429, 47573328), (468, 43608884), (484, 42167268), (528, 38653329), (572, 35679996), (624, 32706663), (726, 28111512), (792, 25768886), (858, 23786664), (936, 21804442), (968, 21083634), (1089, 18741008), (1144, 17839998), (1287, 15857776), (1331, 15333552), (1452, 14055756), (1573, 12974544), (1584, 12884443), (1716, 11893332), (1872, 10902221), (1936, 10541817), (2178, 9370504), (2288, 8919999), (2574, 7928888), (2662, 7666776), (2904, 7027878), (3146, 6487272), (3432, 5946666), (3993, 5111184), (4356, 4685252), (4719, 4324848), (5148, 3964444), (5324, 3833388), (5808, 3513939), (6292, 3243636), (6864, 2973333), (7986, 2555592), (8191, 2491632), (8712, 2342626), (9438, 2162424), (10296, 1982222), (10648, 1916694), (11979, 1703728), (12584, 1621818), (14157, 1441616), (15972, 1277796), (16382, 1245816), (17303, 1179504), (17424, 1171313), (18876, 1081212), (20592, 991111), (21296, 958347), (23958, 851864), (24573, 830544), (25168, 810909), (28314, 720808), (31944, 638898), (32764, 622908), (34606, 589752), (37752, 540606), (47916, 425932), (49146, 415272), (51909, 393168), (56628, 360404), (63888, 319449), (65528, 311454), (69212, 294876), (73719, 276848), (75504, 270303), (90101, 226512), (95832, 212966), (98292, 207636), (103818, 196584), (106483, 191664), (113256, 180202), (131056, 155727), (138424, 147438)]