20162221839

素因数分解:

$3^4\times {\mathrm{1123}}^1\times {\mathrm{221653}}^1$

素因数の和:222788

約数の個数: 20

約数和(自身を含む): 30145830616

約数和(自身を除く): 9983608777

約数列:

[1, 3, 9, 27, 81, 1123, 3369, 10107, 30321, 90963, 221653, 664959, 1994877, 5984631, 17953893, 248916319, 746748957, 2240246871, 6720740613, 20162221839]

約数ペア:

[(1, 20162221839), (3, 6720740613), (9, 2240246871), (27, 746748957), (81, 248916319), (1123, 17953893), (3369, 5984631), (10107, 1994877), (30321, 664959), (90963, 221653)]