20992846

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{11807}}^1$

素因数の和:11943

約数の個数: 16

約数和(自身を含む): 36274176

約数和(自身を除く): 15281330

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 11807, 23614, 82649, 165298, 1499489, 2998978, 10496423, 20992846]

約数ペア:

[(1, 20992846), (2, 10496423), (7, 2998978), (14, 1499489), (127, 165298), (254, 82649), (889, 23614), (1778, 11807)]