20508733485

素因数分解:

$3^2\times 5^1\times {\mathrm{1471}}^1\times {\mathrm{309823}}^1$

素因数の和:311305

約数の個数: 24

約数和(自身を含む): 35572752384

約数和(自身を除く): 15064018899

約数列:

[1, 3, 5, 9, 15, 45, 1471, 4413, 7355, 13239, 22065, 66195, 309823, 929469, 1549115, 2788407, 4647345, 13942035, 455749633, 1367248899, 2278748165, 4101746697, 6836244495, 20508733485]

約数ペア:

[(1, 20508733485), (3, 6836244495), (5, 4101746697), (9, 2278748165), (15, 1367248899), (45, 455749633), (1471, 13942035), (4413, 4647345), (7355, 2788407), (13239, 1549115), (22065, 929469), (66195, 309823)]