20208191

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{353}}^1$

素因数の和:526

約数の個数: 16

約数和(自身を含む): 22429440

約数和(自身を除く): 2221249

約数列:

[1, 19, 23, 131, 353, 437, 2489, 3013, 6707, 8119, 46243, 57247, 154261, 878617, 1063589, 20208191]

約数ペア:

[(1, 20208191), (19, 1063589), (23, 878617), (131, 154261), (353, 57247), (437, 46243), (2489, 8119), (3013, 6707)]