20688052

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67169}}^1$

素因数の和:67191

約数の個数: 24

約数和(自身を含む): 45138240

約数和(自身を除く): 24450188

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 67169, 134338, 268676, 470183, 738859, 940366, 1477718, 1880732, 2955436, 5172013, 10344026, 20688052]

約数ペア:

[(1, 20688052), (2, 10344026), (4, 5172013), (7, 2955436), (11, 1880732), (14, 1477718), (22, 940366), (28, 738859), (44, 470183), (77, 268676), (154, 134338), (308, 67169)]