20469085

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{44987}}^1$

素因数の和:45012

約数の個数: 16

約数和(自身を含む): 30231936

約数和(自身を除く): 9762851

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 44987, 224935, 314909, 584831, 1574545, 2924155, 4093817, 20469085]

約数ペア:

[(1, 20469085), (5, 4093817), (7, 2924155), (13, 1574545), (35, 584831), (65, 314909), (91, 224935), (455, 44987)]