20720070009

素因数分解:

$3^2\times {\mathrm{613}}^1\times {\mathrm{3755677}}^1$

素因数の和:3756296

約数の個数: 12

約数和(自身を含む): 29977821796

約数和(自身を除く): 9257751787

約数列:

[1, 3, 9, 613, 1839, 5517, 3755677, 11267031, 33801093, 2302230001, 6906690003, 20720070009]

約数ペア:

[(1, 20720070009), (3, 6906690003), (9, 2302230001), (613, 33801093), (1839, 11267031), (5517, 3755677)]