20297953280

素因数分解:

$2^{12}\times 5^1\times {\mathrm{11}}^2\times {\mathrm{8191}}^1$

素因数の和:8242

約数の個数: 156

約数和(自身を含む): 53546336256

約数和(自身を除く): 33248382976

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 128, 160, 176, 220, 242, 256, 320, 352, 440, 484, 512, 605, 640, 704, 880, 968, 1024, 1210, 1280, 1408, 1760, 1936, 2048, 2420, 2560, 2816, 3520, 3872, 4096, 4840, 5120, 5632, 7040, 7744, 8191, 9680, 10240, 11264, 14080, 15488, 16382, 19360, 20480, 22528, 28160, 30976, 32764, 38720, 40955, 45056, 56320, 61952, 65528, 77440, 81910, 90101, 112640, 123904, 131056, 154880, 163820, 180202, 225280, 247808, 262112, 309760, 327640, 360404, 450505, 495616, 524224, 619520, 655280, 720808, 901010, 991111, 1048448, 1239040, 1310560, 1441616, 1802020, 1982222, 2096896, 2478080, 2621120, 2883232, 3604040, 3964444, 4193792, 4955555, 5242240, 5766464, 7208080, 7928888, 8387584, 9911110, 10484480, 11532928, 14416160, 15857776, 16775168, 19822220, 20968960, 23065856, 28832320, 31715552, 33550336, 39644440, 41937920, 46131712, 57664640, 63431104, 79288880, 83875840, 92263424, 115329280, 126862208, 158577760, 167751680, 184526848, 230658560, 253724416, 317155520, 369053696, 461317120, 507448832, 634311040, 922634240, 1014897664, 1268622080, 1845268480, 2029795328, 2537244160, 4059590656, 5074488320, 10148976640, 20297953280]

約数ペア:

[(1, 20297953280), (2, 10148976640), (4, 5074488320), (5, 4059590656), (8, 2537244160), (10, 2029795328), (11, 1845268480), (16, 1268622080), (20, 1014897664), (22, 922634240), (32, 634311040), (40, 507448832), (44, 461317120), (55, 369053696), (64, 317155520), (80, 253724416), (88, 230658560), (110, 184526848), (121, 167751680), (128, 158577760), (160, 126862208), (176, 115329280), (220, 92263424), (242, 83875840), (256, 79288880), (320, 63431104), (352, 57664640), (440, 46131712), (484, 41937920), (512, 39644440), (605, 33550336), (640, 31715552), (704, 28832320), (880, 23065856), (968, 20968960), (1024, 19822220), (1210, 16775168), (1280, 15857776), (1408, 14416160), (1760, 11532928), (1936, 10484480), (2048, 9911110), (2420, 8387584), (2560, 7928888), (2816, 7208080), (3520, 5766464), (3872, 5242240), (4096, 4955555), (4840, 4193792), (5120, 3964444), (5632, 3604040), (7040, 2883232), (7744, 2621120), (8191, 2478080), (9680, 2096896), (10240, 1982222), (11264, 1802020), (14080, 1441616), (15488, 1310560), (16382, 1239040), (19360, 1048448), (20480, 991111), (22528, 901010), (28160, 720808), (30976, 655280), (32764, 619520), (38720, 524224), (40955, 495616), (45056, 450505), (56320, 360404), (61952, 327640), (65528, 309760), (77440, 262112), (81910, 247808), (90101, 225280), (112640, 180202), (123904, 163820), (131056, 154880)]