20367819

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{557}}^1$

素因数の和:819

約数の個数: 24

約数和(自身を含む): 31337280

約数和(自身を除く): 10969461

約数列:

[1, 3, 9, 17, 51, 153, 239, 557, 717, 1671, 2151, 4063, 5013, 9469, 12189, 28407, 36567, 85221, 133123, 399369, 1198107, 2263091, 6789273, 20367819]

約数ペア:

[(1, 20367819), (3, 6789273), (9, 2263091), (17, 1198107), (51, 399369), (153, 133123), (239, 85221), (557, 36567), (717, 28407), (1671, 12189), (2151, 9469), (4063, 5013)]