20928062007

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{572321}}^1$

素因数の和:572583

約数の個数: 24

約数和(自身を含む): 32141603520

約数和(自身を除く): 11213541513

約数列:

[1, 3, 9, 17, 51, 153, 239, 717, 2151, 4063, 12189, 36567, 572321, 1716963, 5150889, 9729457, 29188371, 87565113, 136784719, 410354157, 1231062471, 2325340223, 6976020669, 20928062007]

約数ペア:

[(1, 20928062007), (3, 6976020669), (9, 2325340223), (17, 1231062471), (51, 410354157), (153, 136784719), (239, 87565113), (717, 29188371), (2151, 9729457), (4063, 5150889), (12189, 1716963), (36567, 572321)]