20699019

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{499}}^1$

素因数の和:935

約数の個数: 24

約数和(自身を含む): 32760000

約数和(自身を除く): 12060981

約数列:

[1, 3, 9, 11, 33, 99, 419, 499, 1257, 1497, 3771, 4491, 4609, 5489, 13827, 16467, 41481, 49401, 209081, 627243, 1881729, 2299891, 6899673, 20699019]

約数ペア:

[(1, 20699019), (3, 6899673), (9, 2299891), (11, 1881729), (33, 627243), (99, 209081), (419, 49401), (499, 41481), (1257, 16467), (1497, 13827), (3771, 5489), (4491, 4609)]