20266169

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:437

約数の個数: 24

約数和(自身を含む): 25893504

約数和(自身を除く): 5627335

約数列:

[1, 7, 11, 71, 77, 121, 337, 497, 781, 847, 2359, 3707, 5467, 8591, 23927, 25949, 40777, 60137, 167489, 263197, 285439, 1842379, 2895167, 20266169]

約数ペア:

[(1, 20266169), (7, 2895167), (11, 1842379), (71, 285439), (77, 263197), (121, 167489), (337, 60137), (497, 40777), (781, 25949), (847, 23927), (2359, 8591), (3707, 5467)]