20550663

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3167}}^1$

素因数の和:3283

約数の個数: 24

約数和(自身を含む): 34265088

約数和(自身を除く): 13714425

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 3167, 6489, 9501, 22169, 28503, 66507, 199521, 326201, 978603, 2283407, 2935809, 6850221, 20550663]

約数ペア:

[(1, 20550663), (3, 6850221), (7, 2935809), (9, 2283407), (21, 978603), (63, 326201), (103, 199521), (309, 66507), (721, 28503), (927, 22169), (2163, 9501), (3167, 6489)]