20502185

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{8669}}^1$

素因数の和:8728

約数の個数: 16

約数和(自身を含む): 27466560

約数和(自身を除く): 6964375

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 8669, 43345, 95359, 372767, 476795, 1863835, 4100437, 20502185]

約数ペア:

[(1, 20502185), (5, 4100437), (11, 1863835), (43, 476795), (55, 372767), (215, 95359), (473, 43345), (2365, 8669)]