20719593

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1447}}^1$

素因数の和:1533

約数の個数: 24

約数和(自身を含む): 31473728

約数和(自身を除く): 10754135

約数列:

[1, 3, 9, 37, 43, 111, 129, 333, 387, 1447, 1591, 4341, 4773, 13023, 14319, 53539, 62221, 160617, 186663, 481851, 559989, 2302177, 6906531, 20719593]

約数ペア:

[(1, 20719593), (3, 6906531), (9, 2302177), (37, 559989), (43, 481851), (111, 186663), (129, 160617), (333, 62221), (387, 53539), (1447, 14319), (1591, 13023), (4341, 4773)]