20166657

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{50543}}^1$

素因数の和:50572

約数の個数: 16

約数和(自身を含む): 32348160

約数和(自身を除く): 12181503

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 50543, 151629, 353801, 960317, 1061403, 2880951, 6722219, 20166657]

約数ペア:

[(1, 20166657), (3, 6722219), (7, 2880951), (19, 1061403), (21, 960317), (57, 353801), (133, 151629), (399, 50543)]