20670759

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{809}}^1$

素因数の和:999

約数の個数: 24

約数和(自身を含む): 31842720

約数和(自身を除く): 11171961

約数列:

[1, 3, 9, 17, 51, 153, 167, 501, 809, 1503, 2427, 2839, 7281, 8517, 13753, 25551, 41259, 123777, 135103, 405309, 1215927, 2296751, 6890253, 20670759]

約数ペア:

[(1, 20670759), (3, 6890253), (9, 2296751), (17, 1215927), (51, 405309), (153, 135103), (167, 123777), (501, 41259), (809, 25551), (1503, 13753), (2427, 8517), (2839, 7281)]