20804566013

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{774181}}^1$

素因数の和:774548

約数の個数: 16

約数和(自身を含む): 26012515200

約数和(自身を除く): 5207949187

約数列:

[1, 7, 11, 77, 349, 2443, 3839, 26873, 774181, 5419267, 8515991, 59611937, 270189169, 1891324183, 2972080859, 20804566013]

約数ペア:

[(1, 20804566013), (7, 2972080859), (11, 1891324183), (77, 270189169), (349, 59611937), (2443, 8515991), (3839, 5419267), (26873, 774181)]