20793344

素因数分解:

$2^{11}\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:117

約数の個数: 96

約数和(自身を含む): 49533120

約数和(自身を除く): 28739776

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 71, 88, 104, 128, 142, 143, 176, 208, 256, 284, 286, 352, 416, 512, 568, 572, 704, 781, 832, 923, 1024, 1136, 1144, 1408, 1562, 1664, 1846, 2048, 2272, 2288, 2816, 3124, 3328, 3692, 4544, 4576, 5632, 6248, 6656, 7384, 9088, 9152, 10153, 11264, 12496, 13312, 14768, 18176, 18304, 20306, 22528, 24992, 26624, 29536, 36352, 36608, 40612, 49984, 59072, 72704, 73216, 81224, 99968, 118144, 145408, 146432, 162448, 199936, 236288, 292864, 324896, 399872, 472576, 649792, 799744, 945152, 1299584, 1599488, 1890304, 2599168, 5198336, 10396672, 20793344]

約数ペア:

[(1, 20793344), (2, 10396672), (4, 5198336), (8, 2599168), (11, 1890304), (13, 1599488), (16, 1299584), (22, 945152), (26, 799744), (32, 649792), (44, 472576), (52, 399872), (64, 324896), (71, 292864), (88, 236288), (104, 199936), (128, 162448), (142, 146432), (143, 145408), (176, 118144), (208, 99968), (256, 81224), (284, 73216), (286, 72704), (352, 59072), (416, 49984), (512, 40612), (568, 36608), (572, 36352), (704, 29536), (781, 26624), (832, 24992), (923, 22528), (1024, 20306), (1136, 18304), (1144, 18176), (1408, 14768), (1562, 13312), (1664, 12496), (1846, 11264), (2048, 10153), (2272, 9152), (2288, 9088), (2816, 7384), (3124, 6656), (3328, 6248), (3692, 5632), (4544, 4576)]