20895057

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{45523}}^1$

素因数の和:45549

約数の個数: 16

約数和(自身を含む): 32777280

約数和(自身を除く): 11882223

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 45523, 136569, 409707, 773891, 1229121, 2321673, 6965019, 20895057]

約数ペア:

[(1, 20895057), (3, 6965019), (9, 2321673), (17, 1229121), (27, 773891), (51, 409707), (153, 136569), (459, 45523)]