20946321

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1223}}^1$

素因数の和:1413

約数の個数: 24

約数和(自身を含む): 33224256

約数和(自身を除く): 12277935

約数列:

[1, 3, 9, 11, 33, 99, 173, 519, 1223, 1557, 1903, 3669, 5709, 11007, 13453, 17127, 40359, 121077, 211579, 634737, 1904211, 2327369, 6982107, 20946321]

約数ペア:

[(1, 20946321), (3, 6982107), (9, 2327369), (11, 1904211), (33, 634737), (99, 211579), (173, 121077), (519, 40359), (1223, 17127), (1557, 13453), (1903, 11007), (3669, 5709)]