20201291487

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{15401}}^1$

素因数の和:15561

約数の個数: 64

約数和(自身を含む): 33430965120

約数和(自身を除く): 13229673633

約数列:

[1, 3, 9, 13, 27, 37, 39, 101, 111, 117, 303, 333, 351, 481, 909, 999, 1313, 1443, 2727, 3737, 3939, 4329, 11211, 11817, 12987, 15401, 33633, 35451, 46203, 48581, 100899, 138609, 145743, 200213, 415827, 437229, 569837, 600639, 1311687, 1555501, 1709511, 1801917, 4666503, 5128533, 5405751, 7407881, 13999509, 15385599, 20221513, 22223643, 41998527, 57553537, 60664539, 66670929, 172660611, 181993617, 200012787, 517981833, 545980851, 748195981, 1553945499, 2244587943, 6733763829, 20201291487]

約数ペア:

[(1, 20201291487), (3, 6733763829), (9, 2244587943), (13, 1553945499), (27, 748195981), (37, 545980851), (39, 517981833), (101, 200012787), (111, 181993617), (117, 172660611), (303, 66670929), (333, 60664539), (351, 57553537), (481, 41998527), (909, 22223643), (999, 20221513), (1313, 15385599), (1443, 13999509), (2727, 7407881), (3737, 5405751), (3939, 5128533), (4329, 4666503), (11211, 1801917), (11817, 1709511), (12987, 1555501), (15401, 1311687), (33633, 600639), (35451, 569837), (46203, 437229), (48581, 415827), (100899, 200213), (138609, 145743)]