20285128864

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{1259}}^1$

素因数の和:1803

約数の個数: 192

約数和(自身を含む): 53770106880

約数和(自身を除く): 33484978016

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 224, 286, 308, 352, 364, 416, 503, 572, 616, 728, 1001, 1006, 1144, 1232, 1259, 1456, 2002, 2012, 2288, 2464, 2518, 2912, 3521, 4004, 4024, 4576, 5036, 5533, 6539, 7042, 8008, 8048, 8813, 10072, 11066, 13078, 13849, 14084, 16016, 16096, 16367, 17626, 20144, 22132, 26156, 27698, 28168, 32032, 32734, 35252, 38731, 40288, 44264, 45773, 52312, 55396, 56336, 65468, 70504, 71929, 77462, 88528, 91546, 96943, 104624, 110792, 112672, 114569, 130936, 141008, 143858, 154924, 177056, 180037, 183092, 193886, 209248, 221584, 229138, 261872, 282016, 287716, 309848, 360074, 366184, 387772, 443168, 458276, 503503, 523744, 575432, 619696, 633277, 720148, 732368, 775544, 916552, 1007006, 1150864, 1239392, 1260259, 1266554, 1440296, 1464736, 1551088, 1833104, 2014012, 2301728, 2520518, 2533108, 2880592, 3102176, 3666208, 4028024, 4432939, 5041036, 5066216, 5761184, 6966047, 8056048, 8232601, 8865878, 10082072, 10132432, 13932094, 16112096, 16465202, 17731756, 20164144, 20264864, 27864188, 32930404, 35463512, 40328288, 48762329, 55728376, 57628207, 65860808, 70927024, 90558611, 97524658, 111456752, 115256414, 131721616, 141854048, 181117222, 195049316, 222913504, 230512828, 263443232, 362234444, 390098632, 461025656, 633910277, 724468888, 780197264, 922051312, 1267820554, 1448937776, 1560394528, 1844102624, 2535641108, 2897875552, 5071282216, 10142564432, 20285128864]

約数ペア:

[(1, 20285128864), (2, 10142564432), (4, 5071282216), (7, 2897875552), (8, 2535641108), (11, 1844102624), (13, 1560394528), (14, 1448937776), (16, 1267820554), (22, 922051312), (26, 780197264), (28, 724468888), (32, 633910277), (44, 461025656), (52, 390098632), (56, 362234444), (77, 263443232), (88, 230512828), (91, 222913504), (104, 195049316), (112, 181117222), (143, 141854048), (154, 131721616), (176, 115256414), (182, 111456752), (208, 97524658), (224, 90558611), (286, 70927024), (308, 65860808), (352, 57628207), (364, 55728376), (416, 48762329), (503, 40328288), (572, 35463512), (616, 32930404), (728, 27864188), (1001, 20264864), (1006, 20164144), (1144, 17731756), (1232, 16465202), (1259, 16112096), (1456, 13932094), (2002, 10132432), (2012, 10082072), (2288, 8865878), (2464, 8232601), (2518, 8056048), (2912, 6966047), (3521, 5761184), (4004, 5066216), (4024, 5041036), (4576, 4432939), (5036, 4028024), (5533, 3666208), (6539, 3102176), (7042, 2880592), (8008, 2533108), (8048, 2520518), (8813, 2301728), (10072, 2014012), (11066, 1833104), (13078, 1551088), (13849, 1464736), (14084, 1440296), (16016, 1266554), (16096, 1260259), (16367, 1239392), (17626, 1150864), (20144, 1007006), (22132, 916552), (26156, 775544), (27698, 732368), (28168, 720148), (32032, 633277), (32734, 619696), (35252, 575432), (38731, 523744), (40288, 503503), (44264, 458276), (45773, 443168), (52312, 387772), (55396, 366184), (56336, 360074), (65468, 309848), (70504, 287716), (71929, 282016), (77462, 261872), (88528, 229138), (91546, 221584), (96943, 209248), (104624, 193886), (110792, 183092), (112672, 180037), (114569, 177056), (130936, 154924), (141008, 143858)]