20513305728

素因数分解:

$2^7\times 3^5\times {\mathrm{281}}^1\times {\mathrm{2347}}^1$

素因数の和:2657

約数の個数: 192

約数和(自身を含む): 61459463520

約数和(自身を除く): 40946157792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 243, 281, 288, 324, 384, 432, 486, 562, 576, 648, 843, 864, 972, 1124, 1152, 1296, 1686, 1728, 1944, 2248, 2347, 2529, 2592, 3372, 3456, 3888, 4496, 4694, 5058, 5184, 6744, 7041, 7587, 7776, 8992, 9388, 10116, 10368, 13488, 14082, 15174, 15552, 17984, 18776, 20232, 21123, 22761, 26976, 28164, 30348, 31104, 35968, 37552, 40464, 42246, 45522, 53952, 56328, 60696, 63369, 68283, 75104, 80928, 84492, 91044, 107904, 112656, 121392, 126738, 136566, 150208, 161856, 168984, 182088, 190107, 225312, 242784, 253476, 273132, 300416, 323712, 337968, 364176, 380214, 450624, 485568, 506952, 546264, 570321, 659507, 675936, 728352, 760428, 901248, 971136, 1013904, 1092528, 1140642, 1319014, 1351872, 1456704, 1520856, 1978521, 2027808, 2185056, 2281284, 2638028, 2703744, 2913408, 3041712, 3957042, 4055616, 4370112, 4562568, 5276056, 5935563, 6083424, 7914084, 8111232, 8740224, 9125136, 10552112, 11871126, 12166848, 15828168, 17806689, 18250272, 21104224, 23742252, 24333696, 31656336, 35613378, 36500544, 42208448, 47484504, 53420067, 63312672, 71226756, 73001088, 84416896, 94969008, 106840134, 126625344, 142453512, 160260201, 189938016, 213680268, 253250688, 284907024, 320520402, 379876032, 427360536, 569814048, 641040804, 759752064, 854721072, 1139628096, 1282081608, 1709442144, 2279256192, 2564163216, 3418884288, 5128326432, 6837768576, 10256652864, 20513305728]

約数ペア:

[(1, 20513305728), (2, 10256652864), (3, 6837768576), (4, 5128326432), (6, 3418884288), (8, 2564163216), (9, 2279256192), (12, 1709442144), (16, 1282081608), (18, 1139628096), (24, 854721072), (27, 759752064), (32, 641040804), (36, 569814048), (48, 427360536), (54, 379876032), (64, 320520402), (72, 284907024), (81, 253250688), (96, 213680268), (108, 189938016), (128, 160260201), (144, 142453512), (162, 126625344), (192, 106840134), (216, 94969008), (243, 84416896), (281, 73001088), (288, 71226756), (324, 63312672), (384, 53420067), (432, 47484504), (486, 42208448), (562, 36500544), (576, 35613378), (648, 31656336), (843, 24333696), (864, 23742252), (972, 21104224), (1124, 18250272), (1152, 17806689), (1296, 15828168), (1686, 12166848), (1728, 11871126), (1944, 10552112), (2248, 9125136), (2347, 8740224), (2529, 8111232), (2592, 7914084), (3372, 6083424), (3456, 5935563), (3888, 5276056), (4496, 4562568), (4694, 4370112), (5058, 4055616), (5184, 3957042), (6744, 3041712), (7041, 2913408), (7587, 2703744), (7776, 2638028), (8992, 2281284), (9388, 2185056), (10116, 2027808), (10368, 1978521), (13488, 1520856), (14082, 1456704), (15174, 1351872), (15552, 1319014), (17984, 1140642), (18776, 1092528), (20232, 1013904), (21123, 971136), (22761, 901248), (26976, 760428), (28164, 728352), (30348, 675936), (31104, 659507), (35968, 570321), (37552, 546264), (40464, 506952), (42246, 485568), (45522, 450624), (53952, 380214), (56328, 364176), (60696, 337968), (63369, 323712), (68283, 300416), (75104, 273132), (80928, 253476), (84492, 242784), (91044, 225312), (107904, 190107), (112656, 182088), (121392, 168984), (126738, 161856), (136566, 150208)]