20691850368

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{2591}}^1\times {\mathrm{2971}}^1$

素因数の和:5586

約数の個数: 128

約数和(自身を含む): 62859939840

約数和(自身を除く): 42168089472

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, 336, 384, 448, 672, 896, 1344, 2591, 2688, 2971, 5182, 5942, 7773, 8913, 10364, 11884, 15546, 17826, 18137, 20728, 20797, 23768, 31092, 35652, 36274, 41456, 41594, 47536, 54411, 62184, 62391, 71304, 72548, 82912, 83188, 95072, 108822, 124368, 124782, 142608, 145096, 165824, 166376, 190144, 217644, 248736, 249564, 285216, 290192, 331648, 332752, 380288, 435288, 497472, 499128, 570432, 580384, 665504, 870576, 994944, 998256, 1140864, 1160768, 1331008, 1741152, 1996512, 2321536, 2662016, 3482304, 3993024, 6964608, 7697861, 7986048, 15395722, 23093583, 30791444, 46187166, 53885027, 61582888, 92374332, 107770054, 123165776, 161655081, 184748664, 215540108, 246331552, 323310162, 369497328, 431080216, 492663104, 646620324, 738994656, 862160432, 985326208, 1293240648, 1477989312, 1724320864, 2586481296, 2955978624, 3448641728, 5172962592, 6897283456, 10345925184, 20691850368]

約数ペア:

[(1, 20691850368), (2, 10345925184), (3, 6897283456), (4, 5172962592), (6, 3448641728), (7, 2955978624), (8, 2586481296), (12, 1724320864), (14, 1477989312), (16, 1293240648), (21, 985326208), (24, 862160432), (28, 738994656), (32, 646620324), (42, 492663104), (48, 431080216), (56, 369497328), (64, 323310162), (84, 246331552), (96, 215540108), (112, 184748664), (128, 161655081), (168, 123165776), (192, 107770054), (224, 92374332), (336, 61582888), (384, 53885027), (448, 46187166), (672, 30791444), (896, 23093583), (1344, 15395722), (2591, 7986048), (2688, 7697861), (2971, 6964608), (5182, 3993024), (5942, 3482304), (7773, 2662016), (8913, 2321536), (10364, 1996512), (11884, 1741152), (15546, 1331008), (17826, 1160768), (18137, 1140864), (20728, 998256), (20797, 994944), (23768, 870576), (31092, 665504), (35652, 580384), (36274, 570432), (41456, 499128), (41594, 497472), (47536, 435288), (54411, 380288), (62184, 332752), (62391, 331648), (71304, 290192), (72548, 285216), (82912, 249564), (83188, 248736), (95072, 217644), (108822, 190144), (124368, 166376), (124782, 165824), (142608, 145096)]