20974727424

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{16189}}^1$

素因数の和:16456

約数の個数: 144

約数和(自身を含む): 64066808960

約数和(自身を除く): 43092081536

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 241, 256, 336, 384, 448, 482, 672, 723, 768, 896, 964, 1344, 1446, 1687, 1792, 1928, 2688, 2892, 3374, 3856, 5061, 5376, 5784, 6748, 7712, 10122, 11568, 13496, 15424, 16189, 20244, 23136, 26992, 30848, 32378, 40488, 46272, 48567, 53984, 61696, 64756, 80976, 92544, 97134, 107968, 113323, 129512, 161952, 185088, 194268, 215936, 226646, 259024, 323904, 339969, 388536, 431872, 453292, 518048, 647808, 679938, 777072, 906584, 1036096, 1295616, 1359876, 1554144, 1813168, 2072192, 2719752, 3108288, 3626336, 3901549, 4144384, 5439504, 6216576, 7252672, 7803098, 10879008, 11704647, 12433152, 14505344, 15606196, 21758016, 23409294, 27310843, 29010688, 31212392, 43516032, 46818588, 54621686, 62424784, 81932529, 87032064, 93637176, 109243372, 124849568, 163865058, 187274352, 218486744, 249699136, 327730116, 374548704, 436973488, 499398272, 655460232, 749097408, 873946976, 998796544, 1310920464, 1498194816, 1747893952, 2621840928, 2996389632, 3495787904, 5243681856, 6991575808, 10487363712, 20974727424]

約数ペア:

[(1, 20974727424), (2, 10487363712), (3, 6991575808), (4, 5243681856), (6, 3495787904), (7, 2996389632), (8, 2621840928), (12, 1747893952), (14, 1498194816), (16, 1310920464), (21, 998796544), (24, 873946976), (28, 749097408), (32, 655460232), (42, 499398272), (48, 436973488), (56, 374548704), (64, 327730116), (84, 249699136), (96, 218486744), (112, 187274352), (128, 163865058), (168, 124849568), (192, 109243372), (224, 93637176), (241, 87032064), (256, 81932529), (336, 62424784), (384, 54621686), (448, 46818588), (482, 43516032), (672, 31212392), (723, 29010688), (768, 27310843), (896, 23409294), (964, 21758016), (1344, 15606196), (1446, 14505344), (1687, 12433152), (1792, 11704647), (1928, 10879008), (2688, 7803098), (2892, 7252672), (3374, 6216576), (3856, 5439504), (5061, 4144384), (5376, 3901549), (5784, 3626336), (6748, 3108288), (7712, 2719752), (10122, 2072192), (11568, 1813168), (13496, 1554144), (15424, 1359876), (16189, 1295616), (20244, 1036096), (23136, 906584), (26992, 777072), (30848, 679938), (32378, 647808), (40488, 518048), (46272, 453292), (48567, 431872), (53984, 388536), (61696, 339969), (64756, 323904), (80976, 259024), (92544, 226646), (97134, 215936), (107968, 194268), (113323, 185088), (129512, 161952)]