20965716

素因数分解:

$2^2\times 3^4\times {\mathrm{64709}}^1$

素因数の和:64725

約数の個数: 30

約数和(自身を含む): 54809370

約数和(自身を除く): 33843654

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 64709, 129418, 194127, 258836, 388254, 582381, 776508, 1164762, 1747143, 2329524, 3494286, 5241429, 6988572, 10482858, 20965716]

約数ペア:

[(1, 20965716), (2, 10482858), (3, 6988572), (4, 5241429), (6, 3494286), (9, 2329524), (12, 1747143), (18, 1164762), (27, 776508), (36, 582381), (54, 388254), (81, 258836), (108, 194127), (162, 129418), (324, 64709)]