20123701871

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{17010737}}^1$

素因数の和:17010770

約数の個数: 12

約数和(自身を含む): 24903720432

約数和(自身を除く): 4780018561

約数列:

[1, 7, 13, 91, 169, 1183, 17010737, 119075159, 221139581, 1547977067, 2874814553, 20123701871]

約数ペア:

[(1, 20123701871), (7, 2874814553), (13, 1547977067), (91, 221139581), (169, 119075159), (1183, 17010737)]