20553291

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{69203}}^1$

素因数の和:69223

約数の個数: 16

約数和(自身を含む): 33217920

約数和(自身を除く): 12664629

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 69203, 207609, 622827, 761233, 1868481, 2283699, 6851097, 20553291]

約数ペア:

[(1, 20553291), (3, 6851097), (9, 2283699), (11, 1868481), (27, 761233), (33, 622827), (99, 207609), (297, 69203)]