20784987369

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{631513}}^1$

素因数の和:631598

約数の個数: 32

約数和(自身を含む): 32737685760

約数和(自身を除く): 11952698391

約数列:

[1, 3, 9, 23, 27, 53, 69, 159, 207, 477, 621, 1219, 1431, 3657, 10971, 32913, 631513, 1894539, 5683617, 14524799, 17050851, 33470189, 43574397, 100410567, 130723191, 301231701, 392169573, 769814347, 903695103, 2309443041, 6928329123, 20784987369]

約数ペア:

[(1, 20784987369), (3, 6928329123), (9, 2309443041), (23, 903695103), (27, 769814347), (53, 392169573), (69, 301231701), (159, 130723191), (207, 100410567), (477, 43574397), (621, 33470189), (1219, 17050851), (1431, 14524799), (3657, 5683617), (10971, 1894539), (32913, 631513)]