20835387

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{15131}}^1$

素因数の和:15160

約数の個数: 20

約数和(自身を含む): 32957496

約数和(自身を除く): 12122109

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 15131, 45393, 136179, 257227, 408537, 771681, 1225611, 2315043, 6945129, 20835387]

約数ペア:

[(1, 20835387), (3, 6945129), (9, 2315043), (17, 1225611), (27, 771681), (51, 408537), (81, 257227), (153, 136179), (459, 45393), (1377, 15131)]