20800703

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1789}}^1$

素因数の和:1958

約数の個数: 16

約数和(自身を含む): 26119680

約数和(自身を除く): 5318977

約数列:

[1, 7, 11, 77, 151, 1057, 1661, 1789, 11627, 12523, 19679, 137753, 270139, 1890973, 2971529, 20800703]

約数ペア:

[(1, 20800703), (7, 2971529), (11, 1890973), (77, 270139), (151, 137753), (1057, 19679), (1661, 12523), (1789, 11627)]