20458767

素因数分解:

$3^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{3467}}^1$

素因数の和:3758

約数の個数: 16

約数和(自身を含む): 31295232

約数和(自身を除く): 10836465

約数列:

[1, 3, 7, 21, 281, 843, 1967, 3467, 5901, 10401, 24269, 72807, 974227, 2922681, 6819589, 20458767]

約数ペア:

[(1, 20458767), (3, 6819589), (7, 2922681), (21, 974227), (281, 72807), (843, 24269), (1967, 10401), (3467, 5901)]