20705943

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{2371}}^1$

素因数の和:2486

約数の個数: 16

約数和(自身を含む): 28691712

約数和(自身を除く): 7985769

約数列:

[1, 3, 41, 71, 123, 213, 2371, 2911, 7113, 8733, 97211, 168341, 291633, 505023, 6901981, 20705943]

約数ペア:

[(1, 20705943), (3, 6901981), (41, 505023), (71, 291633), (123, 168341), (213, 97211), (2371, 8733), (2911, 7113)]