20247487545

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1\times {\mathrm{1447}}^1$

素因数の和:1774

約数の個数: 64

約数和(自身を含む): 33512048640

約数和(自身を除く): 13264561095

約数列:

[1, 3, 5, 15, 59, 97, 163, 177, 291, 295, 485, 489, 815, 885, 1447, 1455, 2445, 4341, 5723, 7235, 9617, 15811, 17169, 21705, 28615, 28851, 47433, 48085, 79055, 85373, 85845, 140359, 144255, 235861, 237165, 256119, 421077, 426865, 701795, 707583, 932849, 1179305, 1280595, 2105385, 2798547, 3537915, 4664245, 8281181, 13915799, 13992735, 22878517, 24843543, 41405905, 41747397, 68635551, 69578995, 114392585, 124217715, 208736985, 343177755, 1349832503, 4049497509, 6749162515, 20247487545]

約数ペア:

[(1, 20247487545), (3, 6749162515), (5, 4049497509), (15, 1349832503), (59, 343177755), (97, 208736985), (163, 124217715), (177, 114392585), (291, 69578995), (295, 68635551), (485, 41747397), (489, 41405905), (815, 24843543), (885, 22878517), (1447, 13992735), (1455, 13915799), (2445, 8281181), (4341, 4664245), (5723, 3537915), (7235, 2798547), (9617, 2105385), (15811, 1280595), (17169, 1179305), (21705, 932849), (28615, 707583), (28851, 701795), (47433, 426865), (48085, 421077), (79055, 256119), (85373, 237165), (85845, 235861), (140359, 144255)]