20271551664

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1621}}^1$

素因数の和:2068

約数の個数: 240

約数和(自身を含む): 65805059040

約数和(自身を除く): 45533507376

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 49, 52, 56, 78, 84, 91, 98, 104, 112, 147, 156, 168, 182, 196, 208, 273, 294, 312, 336, 364, 392, 409, 546, 588, 624, 637, 728, 784, 818, 1092, 1176, 1227, 1274, 1456, 1621, 1636, 1911, 2184, 2352, 2454, 2548, 2863, 3242, 3272, 3822, 4368, 4863, 4908, 5096, 5317, 5726, 6484, 6544, 7644, 8589, 9726, 9816, 10192, 10634, 11347, 11452, 12968, 15288, 15951, 17178, 19452, 19632, 20041, 21073, 21268, 22694, 22904, 25936, 30576, 31902, 34041, 34356, 37219, 38904, 40082, 42146, 42536, 45388, 45808, 60123, 63219, 63804, 68082, 68712, 74438, 77808, 79429, 80164, 84292, 85072, 90776, 111657, 120246, 126438, 127608, 136164, 137424, 147511, 148876, 158858, 160328, 168584, 181552, 223314, 238287, 240492, 252876, 255216, 260533, 272328, 295022, 297752, 317716, 320656, 337168, 442533, 446628, 476574, 480984, 505752, 521066, 544656, 590044, 595504, 635432, 662989, 781599, 885066, 893256, 953148, 961968, 1011504, 1032577, 1042132, 1180088, 1270864, 1325978, 1563198, 1770132, 1786512, 1906296, 1988967, 2065154, 2084264, 2360176, 2651956, 3097731, 3126396, 3540264, 3812592, 3977934, 4130308, 4168528, 4640923, 5303912, 6195462, 6252792, 7080528, 7955868, 8260616, 8618857, 9281846, 10607824, 12390924, 12505584, 13922769, 15911736, 16521232, 17237714, 18563692, 24781848, 25856571, 27845538, 31823472, 32486461, 34475428, 37127384, 49563696, 51713142, 55691076, 60331999, 64972922, 68950856, 74254768, 97459383, 103426284, 111382152, 120663998, 129945844, 137901712, 180995997, 194918766, 206852568, 222764304, 241327996, 259891688, 361991994, 389837532, 413705136, 422323993, 482655992, 519783376, 723983988, 779675064, 844647986, 965311984, 1266971979, 1447967976, 1559350128, 1689295972, 2533943958, 2895935952, 3378591944, 5067887916, 6757183888, 10135775832, 20271551664]

約数ペア:

[(1, 20271551664), (2, 10135775832), (3, 6757183888), (4, 5067887916), (6, 3378591944), (7, 2895935952), (8, 2533943958), (12, 1689295972), (13, 1559350128), (14, 1447967976), (16, 1266971979), (21, 965311984), (24, 844647986), (26, 779675064), (28, 723983988), (39, 519783376), (42, 482655992), (48, 422323993), (49, 413705136), (52, 389837532), (56, 361991994), (78, 259891688), (84, 241327996), (91, 222764304), (98, 206852568), (104, 194918766), (112, 180995997), (147, 137901712), (156, 129945844), (168, 120663998), (182, 111382152), (196, 103426284), (208, 97459383), (273, 74254768), (294, 68950856), (312, 64972922), (336, 60331999), (364, 55691076), (392, 51713142), (409, 49563696), (546, 37127384), (588, 34475428), (624, 32486461), (637, 31823472), (728, 27845538), (784, 25856571), (818, 24781848), (1092, 18563692), (1176, 17237714), (1227, 16521232), (1274, 15911736), (1456, 13922769), (1621, 12505584), (1636, 12390924), (1911, 10607824), (2184, 9281846), (2352, 8618857), (2454, 8260616), (2548, 7955868), (2863, 7080528), (3242, 6252792), (3272, 6195462), (3822, 5303912), (4368, 4640923), (4863, 4168528), (4908, 4130308), (5096, 3977934), (5317, 3812592), (5726, 3540264), (6484, 3126396), (6544, 3097731), (7644, 2651956), (8589, 2360176), (9726, 2084264), (9816, 2065154), (10192, 1988967), (10634, 1906296), (11347, 1786512), (11452, 1770132), (12968, 1563198), (15288, 1325978), (15951, 1270864), (17178, 1180088), (19452, 1042132), (19632, 1032577), (20041, 1011504), (21073, 961968), (21268, 953148), (22694, 893256), (22904, 885066), (25936, 781599), (30576, 662989), (31902, 635432), (34041, 595504), (34356, 590044), (37219, 544656), (38904, 521066), (40082, 505752), (42146, 480984), (42536, 476574), (45388, 446628), (45808, 442533), (60123, 337168), (63219, 320656), (63804, 317716), (68082, 297752), (68712, 295022), (74438, 272328), (77808, 260533), (79429, 255216), (80164, 252876), (84292, 240492), (85072, 238287), (90776, 223314), (111657, 181552), (120246, 168584), (126438, 160328), (127608, 158858), (136164, 148876), (137424, 147511)]