20816642

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{135173}}^1$

素因数の和:135193

約数の個数: 16

約数和(自身を含む): 38930112

約数和(自身を除く): 18113470

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 135173, 270346, 946211, 1486903, 1892422, 2973806, 10408321, 20816642]

約数ペア:

[(1, 20816642), (2, 10408321), (7, 2973806), (11, 1892422), (14, 1486903), (22, 946211), (77, 270346), (154, 135173)]