20605280241

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{75477217}}^1$

素因数の和:75477240

約数の個数: 16

約数和(自身を含む): 33813793664

約数和(自身を除く): 13208513423

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 75477217, 226431651, 528340519, 981203821, 1585021557, 2943611463, 6868426747, 20605280241]

約数ペア:

[(1, 20605280241), (3, 6868426747), (7, 2943611463), (13, 1585021557), (21, 981203821), (39, 528340519), (91, 226431651), (273, 75477217)]