20804476

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67547}}^1$

素因数の和:67569

約数の個数: 24

約数和(自身を含む): 45392256

約数和(自身を除く): 24587780

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 67547, 135094, 270188, 472829, 743017, 945658, 1486034, 1891316, 2972068, 5201119, 10402238, 20804476]

約数ペア:

[(1, 20804476), (2, 10402238), (4, 5201119), (7, 2972068), (11, 1891316), (14, 1486034), (22, 945658), (28, 743017), (44, 472829), (77, 270188), (154, 135094), (308, 67547)]