20349714259

素因数分解:

$7^3\times {\mathrm{571}}^1\times {\mathrm{103903}}^1$

素因数の和:104495

約数の個数: 16

約数和(自身を含む): 23773235200

約数和(自身を除く): 3423520941

約数列:

[1, 7, 49, 343, 571, 3997, 27979, 103903, 195853, 727321, 5091247, 35638729, 59328613, 415300291, 2907102037, 20349714259]

約数ペア:

[(1, 20349714259), (7, 2907102037), (49, 415300291), (343, 59328613), (571, 35638729), (3997, 5091247), (27979, 727321), (103903, 195853)]