20707255

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{1217}}^1$

素因数の和:1346

約数の個数: 16

約数和(自身を含む): 25782624

約数和(自身を除く): 5075369

約数列:

[1, 5, 41, 83, 205, 415, 1217, 3403, 6085, 17015, 49897, 101011, 249485, 505055, 4141451, 20707255]

約数ペア:

[(1, 20707255), (5, 4141451), (41, 505055), (83, 249485), (205, 101011), (415, 49897), (1217, 17015), (3403, 6085)]