20348600816

素因数分解:

$2^4\times {\mathrm{2663}}^1\times {\mathrm{477577}}^1$

素因数の和:480248

約数の個数: 20

約数和(自身を含む): 39440301552

約数和(自身を除く): 19091700736

約数列:

[1, 2, 4, 8, 16, 2663, 5326, 10652, 21304, 42608, 477577, 955154, 1910308, 3820616, 7641232, 1271787551, 2543575102, 5087150204, 10174300408, 20348600816]

約数ペア:

[(1, 20348600816), (2, 10174300408), (4, 5087150204), (8, 2543575102), (16, 1271787551), (2663, 7641232), (5326, 3820616), (10652, 1910308), (21304, 955154), (42608, 477577)]