20798967904

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:310

約数の個数: 288

約数和(自身を含む): 50841229824

約数和(自身を除く): 30042261920

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 43, 44, 47, 52, 86, 88, 94, 104, 143, 169, 172, 173, 176, 188, 208, 286, 338, 344, 346, 352, 376, 416, 473, 517, 559, 572, 611, 676, 688, 692, 752, 946, 1034, 1118, 1144, 1222, 1352, 1376, 1384, 1504, 1859, 1892, 1903, 2021, 2068, 2236, 2249, 2288, 2444, 2704, 2768, 3718, 3784, 3806, 4042, 4136, 4472, 4498, 4576, 4888, 5408, 5536, 6149, 6721, 7267, 7436, 7439, 7568, 7612, 7943, 8084, 8131, 8272, 8944, 8996, 9776, 12298, 13442, 14534, 14872, 14878, 15136, 15224, 15886, 16168, 16262, 16544, 17888, 17992, 19552, 22231, 24596, 24739, 26273, 26884, 29068, 29237, 29744, 29756, 30448, 31772, 32336, 32524, 35984, 44462, 49192, 49478, 52546, 53768, 58136, 58474, 59488, 59512, 60896, 63544, 64672, 65048, 71968, 79937, 81829, 87373, 88924, 89441, 96707, 98384, 98956, 105092, 105703, 107536, 116272, 116948, 119024, 127088, 130096, 159874, 163658, 174746, 177848, 178882, 193414, 196768, 197912, 210184, 211406, 215072, 232544, 233896, 238048, 254176, 260192, 289003, 319748, 321607, 327316, 341549, 349492, 349633, 355696, 357764, 386828, 395824, 420368, 422812, 467792, 578006, 639496, 643214, 654632, 683098, 698984, 699266, 711392, 715528, 773656, 791648, 840736, 845624, 935584, 1063777, 1156012, 1162733, 1257191, 1278992, 1286428, 1309264, 1366196, 1374139, 1397968, 1398532, 1431056, 1547312, 1691248, 2127554, 2312024, 2325466, 2514382, 2557984, 2572856, 2618528, 2732392, 2748278, 2795936, 2797064, 2862112, 3094624, 3382496, 3757039, 3845963, 4255108, 4545229, 4624048, 4650932, 5028764, 5145712, 5464784, 5496556, 5594128, 7514078, 7691926, 8510216, 9090458, 9248096, 9301864, 10057528, 10291424, 10929568, 10993112, 11188256, 13829101, 15028156, 15115529, 15383852, 17020432, 18180916, 18603728, 20115056, 21986224, 27658202, 30056312, 30231058, 30767704, 34040864, 36361832, 37207456, 40230112, 43972448, 49997519, 55316404, 59087977, 60112624, 60462116, 61535408, 72723664, 99995038, 110632808, 118175954, 120225248, 120924232, 123070816, 145447328, 199990076, 221265616, 236351908, 241848464, 399980152, 442531232, 472703816, 483696928, 649967747, 799960304, 945407632, 1299935494, 1599920608, 1890815264, 2599870988, 5199741976, 10399483952, 20798967904]

約数ペア:

[(1, 20798967904), (2, 10399483952), (4, 5199741976), (8, 2599870988), (11, 1890815264), (13, 1599920608), (16, 1299935494), (22, 945407632), (26, 799960304), (32, 649967747), (43, 483696928), (44, 472703816), (47, 442531232), (52, 399980152), (86, 241848464), (88, 236351908), (94, 221265616), (104, 199990076), (143, 145447328), (169, 123070816), (172, 120924232), (173, 120225248), (176, 118175954), (188, 110632808), (208, 99995038), (286, 72723664), (338, 61535408), (344, 60462116), (346, 60112624), (352, 59087977), (376, 55316404), (416, 49997519), (473, 43972448), (517, 40230112), (559, 37207456), (572, 36361832), (611, 34040864), (676, 30767704), (688, 30231058), (692, 30056312), (752, 27658202), (946, 21986224), (1034, 20115056), (1118, 18603728), (1144, 18180916), (1222, 17020432), (1352, 15383852), (1376, 15115529), (1384, 15028156), (1504, 13829101), (1859, 11188256), (1892, 10993112), (1903, 10929568), (2021, 10291424), (2068, 10057528), (2236, 9301864), (2249, 9248096), (2288, 9090458), (2444, 8510216), (2704, 7691926), (2768, 7514078), (3718, 5594128), (3784, 5496556), (3806, 5464784), (4042, 5145712), (4136, 5028764), (4472, 4650932), (4498, 4624048), (4576, 4545229), (4888, 4255108), (5408, 3845963), (5536, 3757039), (6149, 3382496), (6721, 3094624), (7267, 2862112), (7436, 2797064), (7439, 2795936), (7568, 2748278), (7612, 2732392), (7943, 2618528), (8084, 2572856), (8131, 2557984), (8272, 2514382), (8944, 2325466), (8996, 2312024), (9776, 2127554), (12298, 1691248), (13442, 1547312), (14534, 1431056), (14872, 1398532), (14878, 1397968), (15136, 1374139), (15224, 1366196), (15886, 1309264), (16168, 1286428), (16262, 1278992), (16544, 1257191), (17888, 1162733), (17992, 1156012), (19552, 1063777), (22231, 935584), (24596, 845624), (24739, 840736), (26273, 791648), (26884, 773656), (29068, 715528), (29237, 711392), (29744, 699266), (29756, 698984), (30448, 683098), (31772, 654632), (32336, 643214), (32524, 639496), (35984, 578006), (44462, 467792), (49192, 422812), (49478, 420368), (52546, 395824), (53768, 386828), (58136, 357764), (58474, 355696), (59488, 349633), (59512, 349492), (60896, 341549), (63544, 327316), (64672, 321607), (65048, 319748), (71968, 289003), (79937, 260192), (81829, 254176), (87373, 238048), (88924, 233896), (89441, 232544), (96707, 215072), (98384, 211406), (98956, 210184), (105092, 197912), (105703, 196768), (107536, 193414), (116272, 178882), (116948, 177848), (119024, 174746), (127088, 163658), (130096, 159874)]