20684733

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{1697}}^1$

素因数の和:1956

約数の個数: 16

約数和(自身を含む): 29341440

約数和(自身を除く): 8656707

約数列:

[1, 3, 17, 51, 239, 717, 1697, 4063, 5091, 12189, 28849, 86547, 405583, 1216749, 6894911, 20684733]

約数ペア:

[(1, 20684733), (3, 6894911), (17, 1216749), (51, 405583), (239, 86547), (717, 28849), (1697, 12189), (4063, 5091)]