20527809

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{4339}}^1$

素因数の和:4444

約数の個数: 16

約数和(自身を含む): 29164800

約数和(自身を除く): 8636991

約数列:

[1, 3, 19, 57, 83, 249, 1577, 4339, 4731, 13017, 82441, 247323, 360137, 1080411, 6842603, 20527809]

約数ペア:

[(1, 20527809), (3, 6842603), (19, 1080411), (57, 360137), (83, 247323), (249, 82441), (1577, 13017), (4339, 4731)]