20256768

素因数分解:

$2^{11}\times 3^2\times 7^1\times {\mathrm{157}}^1$

素因数の和:192

約数の個数: 144

約数和(自身を含む): 67289040

約数和(自身を除く): 47032272

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 157, 168, 192, 224, 252, 256, 288, 314, 336, 384, 448, 471, 504, 512, 576, 628, 672, 768, 896, 942, 1008, 1024, 1099, 1152, 1256, 1344, 1413, 1536, 1792, 1884, 2016, 2048, 2198, 2304, 2512, 2688, 2826, 3072, 3297, 3584, 3768, 4032, 4396, 4608, 5024, 5376, 5652, 6144, 6594, 7168, 7536, 8064, 8792, 9216, 9891, 10048, 10752, 11304, 13188, 14336, 15072, 16128, 17584, 18432, 19782, 20096, 21504, 22608, 26376, 30144, 32256, 35168, 39564, 40192, 43008, 45216, 52752, 60288, 64512, 70336, 79128, 80384, 90432, 105504, 120576, 129024, 140672, 158256, 160768, 180864, 211008, 241152, 281344, 316512, 321536, 361728, 422016, 482304, 562688, 633024, 723456, 844032, 964608, 1125376, 1266048, 1446912, 1688064, 2250752, 2532096, 2893824, 3376128, 5064192, 6752256, 10128384, 20256768]

約数ペア:

[(1, 20256768), (2, 10128384), (3, 6752256), (4, 5064192), (6, 3376128), (7, 2893824), (8, 2532096), (9, 2250752), (12, 1688064), (14, 1446912), (16, 1266048), (18, 1125376), (21, 964608), (24, 844032), (28, 723456), (32, 633024), (36, 562688), (42, 482304), (48, 422016), (56, 361728), (63, 321536), (64, 316512), (72, 281344), (84, 241152), (96, 211008), (112, 180864), (126, 160768), (128, 158256), (144, 140672), (157, 129024), (168, 120576), (192, 105504), (224, 90432), (252, 80384), (256, 79128), (288, 70336), (314, 64512), (336, 60288), (384, 52752), (448, 45216), (471, 43008), (504, 40192), (512, 39564), (576, 35168), (628, 32256), (672, 30144), (768, 26376), (896, 22608), (942, 21504), (1008, 20096), (1024, 19782), (1099, 18432), (1152, 17584), (1256, 16128), (1344, 15072), (1413, 14336), (1536, 13188), (1792, 11304), (1884, 10752), (2016, 10048), (2048, 9891), (2198, 9216), (2304, 8792), (2512, 8064), (2688, 7536), (2826, 7168), (3072, 6594), (3297, 6144), (3584, 5652), (3768, 5376), (4032, 5024), (4396, 4608)]