20172889

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{367}}^1$

素因数の和:660

約数の個数: 16

約数和(自身を含む): 23316480

約数和(自身を除く): 3143591

約数列:

[1, 11, 19, 209, 263, 367, 2893, 4037, 4997, 6973, 54967, 76703, 96521, 1061731, 1833899, 20172889]

約数ペア:

[(1, 20172889), (11, 1833899), (19, 1061731), (209, 96521), (263, 76703), (367, 54967), (2893, 6973), (4037, 4997)]