20760165

素因数分解:

$3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1493}}^1$

素因数の和:1610

約数の個数: 32

約数和(自身を含む): 37290240

約数和(自身を除く): 16530075

約数列:

[1, 3, 5, 9, 15, 27, 45, 103, 135, 309, 515, 927, 1493, 1545, 2781, 4479, 4635, 7465, 13437, 13905, 22395, 40311, 67185, 153779, 201555, 461337, 768895, 1384011, 2306685, 4152033, 6920055, 20760165]

約数ペア:

[(1, 20760165), (3, 6920055), (5, 4152033), (9, 2306685), (15, 1384011), (27, 768895), (45, 461337), (103, 201555), (135, 153779), (309, 67185), (515, 40311), (927, 22395), (1493, 13905), (1545, 13437), (2781, 7465), (4479, 4635)]