20278944

素因数分解:

$2^5\times 3^3\times 7^2\times {\mathrm{479}}^1$

素因数の和:512

約数の個数: 144

約数和(自身を含む): 68947200

約数和(自身を除く): 48668256

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 72, 84, 96, 98, 108, 112, 126, 144, 147, 168, 189, 196, 216, 224, 252, 288, 294, 336, 378, 392, 432, 441, 479, 504, 588, 672, 756, 784, 864, 882, 958, 1008, 1176, 1323, 1437, 1512, 1568, 1764, 1916, 2016, 2352, 2646, 2874, 3024, 3353, 3528, 3832, 4311, 4704, 5292, 5748, 6048, 6706, 7056, 7664, 8622, 10059, 10584, 11496, 12933, 13412, 14112, 15328, 17244, 20118, 21168, 22992, 23471, 25866, 26824, 30177, 34488, 40236, 42336, 45984, 46942, 51732, 53648, 60354, 68976, 70413, 80472, 90531, 93884, 103464, 107296, 120708, 137952, 140826, 160944, 181062, 187768, 206928, 211239, 241416, 281652, 321888, 362124, 375536, 413856, 422478, 482832, 563304, 633717, 724248, 751072, 844956, 965664, 1126608, 1267434, 1448496, 1689912, 2253216, 2534868, 2896992, 3379824, 5069736, 6759648, 10139472, 20278944]

約数ペア:

[(1, 20278944), (2, 10139472), (3, 6759648), (4, 5069736), (6, 3379824), (7, 2896992), (8, 2534868), (9, 2253216), (12, 1689912), (14, 1448496), (16, 1267434), (18, 1126608), (21, 965664), (24, 844956), (27, 751072), (28, 724248), (32, 633717), (36, 563304), (42, 482832), (48, 422478), (49, 413856), (54, 375536), (56, 362124), (63, 321888), (72, 281652), (84, 241416), (96, 211239), (98, 206928), (108, 187768), (112, 181062), (126, 160944), (144, 140826), (147, 137952), (168, 120708), (189, 107296), (196, 103464), (216, 93884), (224, 90531), (252, 80472), (288, 70413), (294, 68976), (336, 60354), (378, 53648), (392, 51732), (432, 46942), (441, 45984), (479, 42336), (504, 40236), (588, 34488), (672, 30177), (756, 26824), (784, 25866), (864, 23471), (882, 22992), (958, 21168), (1008, 20118), (1176, 17244), (1323, 15328), (1437, 14112), (1512, 13412), (1568, 12933), (1764, 11496), (1916, 10584), (2016, 10059), (2352, 8622), (2646, 7664), (2874, 7056), (3024, 6706), (3353, 6048), (3528, 5748), (3832, 5292), (4311, 4704)]