20454651

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{5503}}^1$

素因数の和:5575

約数の個数: 24

約数和(自身を含む): 34344960

約数和(自身を除く): 13890309

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 5503, 16509, 38521, 49527, 115563, 324677, 346689, 974031, 2272739, 2922093, 6818217, 20454651]

約数ペア:

[(1, 20454651), (3, 6818217), (7, 2922093), (9, 2272739), (21, 974031), (59, 346689), (63, 324677), (177, 115563), (413, 49527), (531, 38521), (1239, 16509), (3717, 5503)]