20079789

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{9521}}^1$

素因数の和:9580

約数の個数: 16

約数和(自身を含む): 28946880

約数和(自身を除く): 8867091

約数列:

[1, 3, 19, 37, 57, 111, 703, 2109, 9521, 28563, 180899, 352277, 542697, 1056831, 6693263, 20079789]

約数ペア:

[(1, 20079789), (3, 6693263), (19, 1056831), (37, 542697), (57, 352277), (111, 180899), (703, 28563), (2109, 9521)]