20838273

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{2411}}^1$

素因数の和:2524

約数の個数: 16

約数和(自身を含む): 28866816

約数和(自身を除く): 8028543

約数列:

[1, 3, 43, 67, 129, 201, 2411, 2881, 7233, 8643, 103673, 161537, 311019, 484611, 6946091, 20838273]

約数ペア:

[(1, 20838273), (3, 6946091), (43, 484611), (67, 311019), (129, 161537), (201, 103673), (2411, 8643), (2881, 7233)]