20811417

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37097}}^1$

素因数の和:37128

約数の個数: 16

約数和(自身を含む): 32052672

約数和(自身を除く): 11241255

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 37097, 111291, 408067, 630649, 1224201, 1891947, 6937139, 20811417]

約数ペア:

[(1, 20811417), (3, 6937139), (11, 1891947), (17, 1224201), (33, 630649), (51, 408067), (187, 111291), (561, 37097)]