20598885

素因数分解:

$3^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{701}}^1$

素因数の和:1365

約数の個数: 24

約数和(自身を含む): 35810424

約数和(自身を除く): 15211539

約数列:

[1, 3, 5, 9, 15, 45, 653, 701, 1959, 2103, 3265, 3505, 5877, 6309, 9795, 10515, 29385, 31545, 457753, 1373259, 2288765, 4119777, 6866295, 20598885]

約数ペア:

[(1, 20598885), (3, 6866295), (5, 4119777), (9, 2288765), (15, 1373259), (45, 457753), (653, 31545), (701, 29385), (1959, 10515), (2103, 9795), (3265, 6309), (3505, 5877)]