20042519

素因数分解:

$7^3\times {\mathrm{71}}^1\times {\mathrm{823}}^1$

素因数の和:915

約数の個数: 16

約数和(自身を含む): 23731200

約数和(自身を除く): 3688681

約数列:

[1, 7, 49, 71, 343, 497, 823, 3479, 5761, 24353, 40327, 58433, 282289, 409031, 2863217, 20042519]

約数ペア:

[(1, 20042519), (7, 2863217), (49, 409031), (71, 282289), (343, 58433), (497, 40327), (823, 24353), (3479, 5761)]