20435328

素因数分解:

$2^7\times 3^7\times {\mathrm{73}}^1$

素因数の和:108

約数の個数: 128

約数和(自身を含む): 61893600

約数和(自身を除く): 41458272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 73, 81, 96, 108, 128, 144, 146, 162, 192, 216, 219, 243, 288, 292, 324, 384, 432, 438, 486, 576, 584, 648, 657, 729, 864, 876, 972, 1152, 1168, 1296, 1314, 1458, 1728, 1752, 1944, 1971, 2187, 2336, 2592, 2628, 2916, 3456, 3504, 3888, 3942, 4374, 4672, 5184, 5256, 5832, 5913, 7008, 7776, 7884, 8748, 9344, 10368, 10512, 11664, 11826, 14016, 15552, 15768, 17496, 17739, 21024, 23328, 23652, 28032, 31104, 31536, 34992, 35478, 42048, 46656, 47304, 53217, 63072, 69984, 70956, 84096, 93312, 94608, 106434, 126144, 139968, 141912, 159651, 189216, 212868, 252288, 279936, 283824, 319302, 378432, 425736, 567648, 638604, 756864, 851472, 1135296, 1277208, 1702944, 2270592, 2554416, 3405888, 5108832, 6811776, 10217664, 20435328]

約数ペア:

[(1, 20435328), (2, 10217664), (3, 6811776), (4, 5108832), (6, 3405888), (8, 2554416), (9, 2270592), (12, 1702944), (16, 1277208), (18, 1135296), (24, 851472), (27, 756864), (32, 638604), (36, 567648), (48, 425736), (54, 378432), (64, 319302), (72, 283824), (73, 279936), (81, 252288), (96, 212868), (108, 189216), (128, 159651), (144, 141912), (146, 139968), (162, 126144), (192, 106434), (216, 94608), (219, 93312), (243, 84096), (288, 70956), (292, 69984), (324, 63072), (384, 53217), (432, 47304), (438, 46656), (486, 42048), (576, 35478), (584, 34992), (648, 31536), (657, 31104), (729, 28032), (864, 23652), (876, 23328), (972, 21024), (1152, 17739), (1168, 17496), (1296, 15768), (1314, 15552), (1458, 14016), (1728, 11826), (1752, 11664), (1944, 10512), (1971, 10368), (2187, 9344), (2336, 8748), (2592, 7884), (2628, 7776), (2916, 7008), (3456, 5913), (3504, 5832), (3888, 5256), (3942, 5184), (4374, 4672)]