20647979

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1013}}^1$

素因数の和:1150

約数の個数: 16

約数和(自身を含む): 24092640

約数和(自身を除く): 3444661

約数列:

[1, 11, 17, 109, 187, 1013, 1199, 1853, 11143, 17221, 20383, 110417, 189431, 1214587, 1877089, 20647979]

約数ペア:

[(1, 20647979), (11, 1877089), (17, 1214587), (109, 189431), (187, 110417), (1013, 20383), (1199, 17221), (1853, 11143)]