20809113

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{8747}}^1$

素因数の和:8824

約数の個数: 16

約数和(自身を含む): 30373056

約数和(自身を除く): 9563943

約数列:

[1, 3, 13, 39, 61, 183, 793, 2379, 8747, 26241, 113711, 341133, 533567, 1600701, 6936371, 20809113]

約数ペア:

[(1, 20809113), (3, 6936371), (13, 1600701), (39, 533567), (61, 341133), (183, 113711), (793, 26241), (2379, 8747)]