20504627

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{643}}^1$

素因数の和:890

約数の個数: 16

約数和(自身を含む): 24235008

約数和(自身を除く): 3730381

約数列:

[1, 11, 13, 143, 223, 643, 2453, 2899, 7073, 8359, 31889, 91949, 143389, 1577279, 1864057, 20504627]

約数ペア:

[(1, 20504627), (11, 1864057), (13, 1577279), (143, 143389), (223, 91949), (643, 31889), (2453, 8359), (2899, 7073)]