20199778841

素因数分解:

${\mathrm{11}}^2\times {\mathrm{2543}}^1\times {\mathrm{65647}}^1$

素因数の和:68212

約数の個数: 12

約数和(自身を含む): 22212132096

約数和(自身を除く): 2012353255

約数列:

[1, 11, 121, 2543, 27973, 65647, 307703, 722117, 7943287, 166940321, 1836343531, 20199778841]

約数ペア:

[(1, 20199778841), (11, 1836343531), (121, 166940321), (2543, 7943287), (27973, 722117), (65647, 307703)]