20784715392

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{283}}^1\times {\mathrm{307}}^1$

素因数の和:703

約数の個数: 256

約数和(自身を含む): 64239436800

約数和(自身を除く): 43454721408

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 89, 96, 112, 128, 168, 178, 192, 224, 267, 283, 307, 336, 356, 384, 448, 534, 566, 614, 623, 672, 712, 849, 896, 921, 1068, 1132, 1228, 1246, 1344, 1424, 1698, 1842, 1869, 1981, 2136, 2149, 2264, 2456, 2492, 2688, 2848, 3396, 3684, 3738, 3962, 4272, 4298, 4528, 4912, 4984, 5696, 5943, 6447, 6792, 7368, 7476, 7924, 8544, 8596, 9056, 9824, 9968, 11392, 11886, 12894, 13584, 14736, 14952, 15848, 17088, 17192, 18112, 19648, 19936, 23772, 25187, 25788, 27168, 27323, 29472, 29904, 31696, 34176, 34384, 36224, 39296, 39872, 47544, 50374, 51576, 54336, 54646, 58944, 59808, 63392, 68768, 75561, 79744, 81969, 86881, 95088, 100748, 103152, 108672, 109292, 117888, 119616, 126784, 137536, 151122, 163938, 173762, 176309, 190176, 191261, 201496, 206304, 218584, 239232, 253568, 260643, 275072, 302244, 327876, 347524, 352618, 380352, 382522, 402992, 412608, 437168, 521286, 528927, 573783, 604488, 608167, 655752, 695048, 705236, 760704, 765044, 805984, 825216, 874336, 1042572, 1057854, 1147566, 1208976, 1216334, 1311504, 1390096, 1410472, 1530088, 1611968, 1748672, 1824501, 2085144, 2115708, 2295132, 2417952, 2432668, 2623008, 2780192, 2820944, 3060176, 3223936, 3497344, 3649002, 4170288, 4231416, 4590264, 4835904, 4865336, 5246016, 5560384, 5641888, 6120352, 7298004, 7732409, 8340576, 8462832, 9180528, 9671808, 9730672, 10492032, 11120768, 11283776, 12240704, 14596008, 15464818, 16681152, 16925664, 18361056, 19461344, 22567552, 23197227, 24481408, 29192016, 30929636, 33362304, 33851328, 36722112, 38922688, 46394454, 54126863, 58384032, 61859272, 67702656, 73444224, 77845376, 92788908, 108253726, 116768064, 123718544, 162380589, 185577816, 216507452, 233536128, 247437088, 324761178, 371155632, 433014904, 494874176, 649522356, 742311264, 866029808, 989748352, 1299044712, 1484622528, 1732059616, 2598089424, 2969245056, 3464119232, 5196178848, 6928238464, 10392357696, 20784715392]

約数ペア:

[(1, 20784715392), (2, 10392357696), (3, 6928238464), (4, 5196178848), (6, 3464119232), (7, 2969245056), (8, 2598089424), (12, 1732059616), (14, 1484622528), (16, 1299044712), (21, 989748352), (24, 866029808), (28, 742311264), (32, 649522356), (42, 494874176), (48, 433014904), (56, 371155632), (64, 324761178), (84, 247437088), (89, 233536128), (96, 216507452), (112, 185577816), (128, 162380589), (168, 123718544), (178, 116768064), (192, 108253726), (224, 92788908), (267, 77845376), (283, 73444224), (307, 67702656), (336, 61859272), (356, 58384032), (384, 54126863), (448, 46394454), (534, 38922688), (566, 36722112), (614, 33851328), (623, 33362304), (672, 30929636), (712, 29192016), (849, 24481408), (896, 23197227), (921, 22567552), (1068, 19461344), (1132, 18361056), (1228, 16925664), (1246, 16681152), (1344, 15464818), (1424, 14596008), (1698, 12240704), (1842, 11283776), (1869, 11120768), (1981, 10492032), (2136, 9730672), (2149, 9671808), (2264, 9180528), (2456, 8462832), (2492, 8340576), (2688, 7732409), (2848, 7298004), (3396, 6120352), (3684, 5641888), (3738, 5560384), (3962, 5246016), (4272, 4865336), (4298, 4835904), (4528, 4590264), (4912, 4231416), (4984, 4170288), (5696, 3649002), (5943, 3497344), (6447, 3223936), (6792, 3060176), (7368, 2820944), (7476, 2780192), (7924, 2623008), (8544, 2432668), (8596, 2417952), (9056, 2295132), (9824, 2115708), (9968, 2085144), (11392, 1824501), (11886, 1748672), (12894, 1611968), (13584, 1530088), (14736, 1410472), (14952, 1390096), (15848, 1311504), (17088, 1216334), (17192, 1208976), (18112, 1147566), (19648, 1057854), (19936, 1042572), (23772, 874336), (25187, 825216), (25788, 805984), (27168, 765044), (27323, 760704), (29472, 705236), (29904, 695048), (31696, 655752), (34176, 608167), (34384, 604488), (36224, 573783), (39296, 528927), (39872, 521286), (47544, 437168), (50374, 412608), (51576, 402992), (54336, 382522), (54646, 380352), (58944, 352618), (59808, 347524), (63392, 327876), (68768, 302244), (75561, 275072), (79744, 260643), (81969, 253568), (86881, 239232), (95088, 218584), (100748, 206304), (103152, 201496), (108672, 191261), (109292, 190176), (117888, 176309), (119616, 173762), (126784, 163938), (137536, 151122)]