20441344

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:112

約数の個数: 144

約数和(自身を含む): 54746496

約数和(自身を除く): 34305152

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 32, 34, 44, 56, 61, 64, 68, 77, 88, 112, 119, 122, 128, 136, 154, 176, 187, 224, 238, 244, 256, 272, 308, 352, 374, 427, 448, 476, 488, 544, 616, 671, 704, 748, 854, 896, 952, 976, 1037, 1088, 1232, 1309, 1342, 1408, 1496, 1708, 1792, 1904, 1952, 2074, 2176, 2464, 2618, 2684, 2816, 2992, 3416, 3808, 3904, 4148, 4352, 4697, 4928, 5236, 5368, 5984, 6832, 7259, 7616, 7808, 8296, 9394, 9856, 10472, 10736, 11407, 11968, 13664, 14518, 15232, 15616, 16592, 18788, 19712, 20944, 21472, 22814, 23936, 27328, 29036, 30464, 33184, 37576, 41888, 42944, 45628, 47872, 54656, 58072, 66368, 75152, 79849, 83776, 85888, 91256, 109312, 116144, 132736, 150304, 159698, 167552, 171776, 182512, 232288, 265472, 300608, 319396, 335104, 365024, 464576, 601216, 638792, 730048, 929152, 1202432, 1277584, 1460096, 1858304, 2555168, 2920192, 5110336, 10220672, 20441344]

約数ペア:

[(1, 20441344), (2, 10220672), (4, 5110336), (7, 2920192), (8, 2555168), (11, 1858304), (14, 1460096), (16, 1277584), (17, 1202432), (22, 929152), (28, 730048), (32, 638792), (34, 601216), (44, 464576), (56, 365024), (61, 335104), (64, 319396), (68, 300608), (77, 265472), (88, 232288), (112, 182512), (119, 171776), (122, 167552), (128, 159698), (136, 150304), (154, 132736), (176, 116144), (187, 109312), (224, 91256), (238, 85888), (244, 83776), (256, 79849), (272, 75152), (308, 66368), (352, 58072), (374, 54656), (427, 47872), (448, 45628), (476, 42944), (488, 41888), (544, 37576), (616, 33184), (671, 30464), (704, 29036), (748, 27328), (854, 23936), (896, 22814), (952, 21472), (976, 20944), (1037, 19712), (1088, 18788), (1232, 16592), (1309, 15616), (1342, 15232), (1408, 14518), (1496, 13664), (1708, 11968), (1792, 11407), (1904, 10736), (1952, 10472), (2074, 9856), (2176, 9394), (2464, 8296), (2618, 7808), (2684, 7616), (2816, 7259), (2992, 6832), (3416, 5984), (3808, 5368), (3904, 5236), (4148, 4928), (4352, 4697)]