20505037

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{379}}^1$

素因数の和:576

約数の個数: 16

約数和(自身を含む): 24076800

約数和(自身を除く): 3571763

約数列:

[1, 7, 59, 131, 379, 413, 917, 2653, 7729, 22361, 49649, 54103, 156527, 347543, 2929291, 20505037]

約数ペア:

[(1, 20505037), (7, 2929291), (59, 347543), (131, 156527), (379, 54103), (413, 49649), (917, 22361), (2653, 7729)]