20509188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{244157}}^1$

素因数の和:244171

約数の個数: 24

約数和(自身を含む): 54691392

約数和(自身を除く): 34182204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 244157, 488314, 732471, 976628, 1464942, 1709099, 2929884, 3418198, 5127297, 6836396, 10254594, 20509188]

約数ペア:

[(1, 20509188), (2, 10254594), (3, 6836396), (4, 5127297), (6, 3418198), (7, 2929884), (12, 1709099), (14, 1464942), (21, 976628), (28, 732471), (42, 488314), (84, 244157)]