20149445

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{269}}^1$

素因数の和:556

約数の個数: 16

約数和(自身を含む): 24727680

約数和(自身を除く): 4578235

約数列:

[1, 5, 71, 211, 269, 355, 1055, 1345, 14981, 19099, 56759, 74905, 95495, 283795, 4029889, 20149445]

約数ペア:

[(1, 20149445), (5, 4029889), (71, 283795), (211, 95495), (269, 74905), (355, 56759), (1055, 19099), (1345, 14981)]