20965878

素因数分解:

$2^1\times 3^4\times {\mathrm{129419}}^1$

素因数の和:129433

約数の個数: 20

約数和(自身を含む): 46979460

約数和(自身を除く): 26013582

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 129419, 258838, 388257, 776514, 1164771, 2329542, 3494313, 6988626, 10482939, 20965878]

約数ペア:

[(1, 20965878), (2, 10482939), (3, 6988626), (6, 3494313), (9, 2329542), (18, 1164771), (27, 776514), (54, 388257), (81, 258838), (162, 129419)]