20783967

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{2237}}^1$

素因数の和:2422

約数の個数: 16

約数和(自身を含む): 29362560

約数和(自身を除く): 8578593

約数列:

[1, 3, 19, 57, 163, 489, 2237, 3097, 6711, 9291, 42503, 127509, 364631, 1093893, 6927989, 20783967]

約数ペア:

[(1, 20783967), (3, 6927989), (19, 1093893), (57, 364631), (163, 127509), (489, 42503), (2237, 9291), (3097, 6711)]