20274543

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{5821}}^1$

素因数の和:5876

約数の個数: 20

約数和(自身を含む): 30996328

約数和(自身を除く): 10721785

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 5821, 17463, 52389, 157167, 250303, 471501, 750909, 2252727, 6758181, 20274543]

約数ペア:

[(1, 20274543), (3, 6758181), (9, 2252727), (27, 750909), (43, 471501), (81, 250303), (129, 157167), (387, 52389), (1161, 17463), (3483, 5821)]