20162681728

素因数分解:

$2^7\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{853}}^1$

素因数の和:965

約数の個数: 256

約数和(自身を含む): 50843197440

約数和(自身を除く): 30680515712

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 31, 32, 37, 46, 56, 62, 64, 74, 92, 112, 124, 128, 148, 161, 184, 217, 224, 248, 259, 296, 322, 368, 434, 448, 496, 518, 592, 644, 713, 736, 851, 853, 868, 896, 992, 1036, 1147, 1184, 1288, 1426, 1472, 1702, 1706, 1736, 1984, 2072, 2294, 2368, 2576, 2852, 2944, 3404, 3412, 3472, 3968, 4144, 4588, 4736, 4991, 5152, 5704, 5957, 5971, 6808, 6824, 6944, 8029, 8288, 9176, 9982, 10304, 11408, 11914, 11942, 13616, 13648, 13888, 16058, 16576, 18352, 19619, 19964, 20608, 22816, 23828, 23884, 26381, 26443, 27232, 27296, 27776, 31561, 32116, 33152, 36704, 39238, 39928, 45632, 47656, 47768, 52762, 52886, 54464, 54592, 63122, 64232, 73408, 78476, 79856, 91264, 95312, 95536, 105524, 105772, 108928, 109184, 126244, 128464, 137333, 146816, 156952, 159712, 184667, 185101, 190624, 191072, 211048, 211544, 220927, 252488, 256928, 274666, 313904, 319424, 369334, 370202, 381248, 382144, 422096, 423088, 441854, 504976, 513856, 549332, 608189, 627808, 638848, 725903, 738668, 740404, 762496, 764288, 844192, 846176, 883708, 978391, 1009952, 1027712, 1098664, 1216378, 1255616, 1451806, 1477336, 1480808, 1688384, 1692352, 1767416, 1956782, 2019904, 2197328, 2432756, 2511232, 2903612, 2954672, 2961616, 3376768, 3384704, 3534832, 3913564, 4039808, 4257323, 4394656, 4865512, 5081321, 5807224, 5909344, 5923232, 6848737, 7069664, 7827128, 8514646, 8789312, 9731024, 10162642, 11614448, 11818688, 11846464, 13697474, 14139328, 15654256, 17029292, 17578624, 19462048, 20325284, 22502993, 23228896, 23637376, 23692928, 27394948, 28278656, 31308512, 34058584, 38924096, 40650568, 45005986, 46457792, 54789896, 62617024, 68117168, 77848192, 81301136, 90011972, 92915584, 109579792, 125234048, 136234336, 157520951, 162602272, 180023944, 219159584, 272468672, 315041902, 325204544, 360047888, 438319168, 544937344, 630083804, 650409088, 720095776, 876638336, 1260167608, 1440191552, 2520335216, 2880383104, 5040670432, 10081340864, 20162681728]

約数ペア:

[(1, 20162681728), (2, 10081340864), (4, 5040670432), (7, 2880383104), (8, 2520335216), (14, 1440191552), (16, 1260167608), (23, 876638336), (28, 720095776), (31, 650409088), (32, 630083804), (37, 544937344), (46, 438319168), (56, 360047888), (62, 325204544), (64, 315041902), (74, 272468672), (92, 219159584), (112, 180023944), (124, 162602272), (128, 157520951), (148, 136234336), (161, 125234048), (184, 109579792), (217, 92915584), (224, 90011972), (248, 81301136), (259, 77848192), (296, 68117168), (322, 62617024), (368, 54789896), (434, 46457792), (448, 45005986), (496, 40650568), (518, 38924096), (592, 34058584), (644, 31308512), (713, 28278656), (736, 27394948), (851, 23692928), (853, 23637376), (868, 23228896), (896, 22502993), (992, 20325284), (1036, 19462048), (1147, 17578624), (1184, 17029292), (1288, 15654256), (1426, 14139328), (1472, 13697474), (1702, 11846464), (1706, 11818688), (1736, 11614448), (1984, 10162642), (2072, 9731024), (2294, 8789312), (2368, 8514646), (2576, 7827128), (2852, 7069664), (2944, 6848737), (3404, 5923232), (3412, 5909344), (3472, 5807224), (3968, 5081321), (4144, 4865512), (4588, 4394656), (4736, 4257323), (4991, 4039808), (5152, 3913564), (5704, 3534832), (5957, 3384704), (5971, 3376768), (6808, 2961616), (6824, 2954672), (6944, 2903612), (8029, 2511232), (8288, 2432756), (9176, 2197328), (9982, 2019904), (10304, 1956782), (11408, 1767416), (11914, 1692352), (11942, 1688384), (13616, 1480808), (13648, 1477336), (13888, 1451806), (16058, 1255616), (16576, 1216378), (18352, 1098664), (19619, 1027712), (19964, 1009952), (20608, 978391), (22816, 883708), (23828, 846176), (23884, 844192), (26381, 764288), (26443, 762496), (27232, 740404), (27296, 738668), (27776, 725903), (31561, 638848), (32116, 627808), (33152, 608189), (36704, 549332), (39238, 513856), (39928, 504976), (45632, 441854), (47656, 423088), (47768, 422096), (52762, 382144), (52886, 381248), (54464, 370202), (54592, 369334), (63122, 319424), (64232, 313904), (73408, 274666), (78476, 256928), (79856, 252488), (91264, 220927), (95312, 211544), (95536, 211048), (105524, 191072), (105772, 190624), (108928, 185101), (109184, 184667), (126244, 159712), (128464, 156952), (137333, 146816)]