20156819019

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{653}}^1\times {\mathrm{239287}}^1$

素因数の和:239986

約数の個数: 16

約数和(自身を含む): 27543005952

約数和(自身を除く): 7386186933

約数列:

[1, 3, 43, 129, 653, 1959, 28079, 84237, 239287, 717861, 10289341, 30868023, 156254411, 468763233, 6718939673, 20156819019]

約数ペア:

[(1, 20156819019), (3, 6718939673), (43, 468763233), (129, 156254411), (653, 30868023), (1959, 10289341), (28079, 717861), (84237, 239287)]