20037997

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{863}}^1$

素因数の和:1008

約数の個数: 16

約数和(自身を含む): 23887872

約数和(自身を除く): 3849875

約数列:

[1, 7, 31, 107, 217, 749, 863, 3317, 6041, 23219, 26753, 92341, 187271, 646387, 2862571, 20037997]

約数ペア:

[(1, 20037997), (7, 2862571), (31, 646387), (107, 187271), (217, 92341), (749, 26753), (863, 23219), (3317, 6041)]