20727343

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{2503}}^1$

素因数の和:2543

約数の個数: 18

約数和(自身を含む): 26119224

約数和(自身を除く): 5391881

約数列:

[1, 7, 13, 49, 91, 169, 637, 1183, 2503, 8281, 17521, 32539, 122647, 227773, 423007, 1594411, 2961049, 20727343]

約数ペア:

[(1, 20727343), (7, 2961049), (13, 1594411), (49, 423007), (91, 227773), (169, 122647), (637, 32539), (1183, 17521), (2503, 8281)]