20990061312

素因数分解:

$2^8\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{80149}}^1$

素因数の和:80210

約数の個数: 144

約数和(自身を含む): 62909414400

約数和(自身を除く): 41919353088

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 32, 33, 44, 48, 62, 64, 66, 88, 93, 96, 124, 128, 132, 176, 186, 192, 248, 256, 264, 341, 352, 372, 384, 496, 528, 682, 704, 744, 768, 992, 1023, 1056, 1364, 1408, 1488, 1984, 2046, 2112, 2728, 2816, 2976, 3968, 4092, 4224, 5456, 5952, 7936, 8184, 8448, 10912, 11904, 16368, 21824, 23808, 32736, 43648, 65472, 80149, 87296, 130944, 160298, 240447, 261888, 320596, 480894, 641192, 881639, 961788, 1282384, 1763278, 1923576, 2484619, 2564768, 2644917, 3526556, 3847152, 4969238, 5129536, 5289834, 7053112, 7453857, 7694304, 9938476, 10259072, 10579668, 14106224, 14907714, 15388608, 19876952, 20518144, 21159336, 27330809, 28212448, 29815428, 30777216, 39753904, 42318672, 54661618, 56424896, 59630856, 61554432, 79507808, 81992427, 84637344, 109323236, 112849792, 119261712, 159015616, 163984854, 169274688, 218646472, 225699584, 238523424, 318031232, 327969708, 338549376, 437292944, 477046848, 636062464, 655939416, 677098752, 874585888, 954093696, 1311878832, 1749171776, 1908187392, 2623757664, 3498343552, 5247515328, 6996687104, 10495030656, 20990061312]

約数ペア:

[(1, 20990061312), (2, 10495030656), (3, 6996687104), (4, 5247515328), (6, 3498343552), (8, 2623757664), (11, 1908187392), (12, 1749171776), (16, 1311878832), (22, 954093696), (24, 874585888), (31, 677098752), (32, 655939416), (33, 636062464), (44, 477046848), (48, 437292944), (62, 338549376), (64, 327969708), (66, 318031232), (88, 238523424), (93, 225699584), (96, 218646472), (124, 169274688), (128, 163984854), (132, 159015616), (176, 119261712), (186, 112849792), (192, 109323236), (248, 84637344), (256, 81992427), (264, 79507808), (341, 61554432), (352, 59630856), (372, 56424896), (384, 54661618), (496, 42318672), (528, 39753904), (682, 30777216), (704, 29815428), (744, 28212448), (768, 27330809), (992, 21159336), (1023, 20518144), (1056, 19876952), (1364, 15388608), (1408, 14907714), (1488, 14106224), (1984, 10579668), (2046, 10259072), (2112, 9938476), (2728, 7694304), (2816, 7453857), (2976, 7053112), (3968, 5289834), (4092, 5129536), (4224, 4969238), (5456, 3847152), (5952, 3526556), (7936, 2644917), (8184, 2564768), (8448, 2484619), (10912, 1923576), (11904, 1763278), (16368, 1282384), (21824, 961788), (23808, 881639), (32736, 641192), (43648, 480894), (65472, 320596), (80149, 261888), (87296, 240447), (130944, 160298)]