20710144

素因数分解:

$2^8\times 7^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:170

約数の個数: 108

約数和(自身を含む): 52195584

約数和(自身を除く): 31485440

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 127, 128, 182, 196, 208, 224, 254, 256, 364, 392, 416, 448, 508, 637, 728, 784, 832, 889, 896, 1016, 1274, 1456, 1568, 1651, 1664, 1778, 1792, 2032, 2548, 2912, 3136, 3302, 3328, 3556, 4064, 5096, 5824, 6223, 6272, 6604, 7112, 8128, 10192, 11557, 11648, 12446, 12544, 13208, 14224, 16256, 20384, 23114, 23296, 24892, 26416, 28448, 32512, 40768, 46228, 49784, 52832, 56896, 80899, 81536, 92456, 99568, 105664, 113792, 161798, 163072, 184912, 199136, 211328, 227584, 323596, 369824, 398272, 422656, 647192, 739648, 796544, 1294384, 1479296, 1593088, 2588768, 2958592, 5177536, 10355072, 20710144]

約数ペア:

[(1, 20710144), (2, 10355072), (4, 5177536), (7, 2958592), (8, 2588768), (13, 1593088), (14, 1479296), (16, 1294384), (26, 796544), (28, 739648), (32, 647192), (49, 422656), (52, 398272), (56, 369824), (64, 323596), (91, 227584), (98, 211328), (104, 199136), (112, 184912), (127, 163072), (128, 161798), (182, 113792), (196, 105664), (208, 99568), (224, 92456), (254, 81536), (256, 80899), (364, 56896), (392, 52832), (416, 49784), (448, 46228), (508, 40768), (637, 32512), (728, 28448), (784, 26416), (832, 24892), (889, 23296), (896, 23114), (1016, 20384), (1274, 16256), (1456, 14224), (1568, 13208), (1651, 12544), (1664, 12446), (1778, 11648), (1792, 11557), (2032, 10192), (2548, 8128), (2912, 7112), (3136, 6604), (3302, 6272), (3328, 6223), (3556, 5824), (4064, 5096)]