20875008

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1$

素因数の和:390

約数の個数: 144

約数和(自身を含む): 69463296

約数和(自身を除く): 48588288

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 56, 64, 66, 77, 84, 88, 96, 112, 128, 132, 154, 168, 176, 192, 224, 231, 256, 264, 308, 336, 352, 353, 384, 448, 462, 528, 616, 672, 704, 706, 768, 896, 924, 1056, 1059, 1232, 1344, 1408, 1412, 1792, 1848, 2112, 2118, 2464, 2471, 2688, 2816, 2824, 3696, 3883, 4224, 4236, 4928, 4942, 5376, 5648, 7392, 7413, 7766, 8448, 8472, 9856, 9884, 11296, 11649, 14784, 14826, 15532, 16944, 19712, 19768, 22592, 23298, 27181, 29568, 29652, 31064, 33888, 39536, 45184, 46596, 54362, 59136, 59304, 62128, 67776, 79072, 81543, 90368, 93192, 108724, 118608, 124256, 135552, 158144, 163086, 186384, 217448, 237216, 248512, 271104, 316288, 326172, 372768, 434896, 474432, 497024, 632576, 652344, 745536, 869792, 948864, 994048, 1304688, 1491072, 1739584, 1897728, 2609376, 2982144, 3479168, 5218752, 6958336, 10437504, 20875008]

約数ペア:

[(1, 20875008), (2, 10437504), (3, 6958336), (4, 5218752), (6, 3479168), (7, 2982144), (8, 2609376), (11, 1897728), (12, 1739584), (14, 1491072), (16, 1304688), (21, 994048), (22, 948864), (24, 869792), (28, 745536), (32, 652344), (33, 632576), (42, 497024), (44, 474432), (48, 434896), (56, 372768), (64, 326172), (66, 316288), (77, 271104), (84, 248512), (88, 237216), (96, 217448), (112, 186384), (128, 163086), (132, 158144), (154, 135552), (168, 124256), (176, 118608), (192, 108724), (224, 93192), (231, 90368), (256, 81543), (264, 79072), (308, 67776), (336, 62128), (352, 59304), (353, 59136), (384, 54362), (448, 46596), (462, 45184), (528, 39536), (616, 33888), (672, 31064), (704, 29652), (706, 29568), (768, 27181), (896, 23298), (924, 22592), (1056, 19768), (1059, 19712), (1232, 16944), (1344, 15532), (1408, 14826), (1412, 14784), (1792, 11649), (1848, 11296), (2112, 9884), (2118, 9856), (2464, 8472), (2471, 8448), (2688, 7766), (2816, 7413), (2824, 7392), (3696, 5648), (3883, 5376), (4224, 4942), (4236, 4928)]