20888911687

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{1609}}^1\times {\mathrm{109097}}^1$

素因数の和:110730

約数の個数: 16

約数和(自身を含む): 25293280320

約数和(自身を除く): 4404368633

約数列:

[1, 7, 17, 119, 1609, 11263, 27353, 109097, 191471, 763679, 1854649, 12982543, 175537073, 1228759511, 2984130241, 20888911687]

約数ペア:

[(1, 20888911687), (7, 2984130241), (17, 1228759511), (119, 175537073), (1609, 12982543), (11263, 1854649), (27353, 763679), (109097, 191471)]