20918932489

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{5209}}^1\times {\mathrm{44131}}^1$

素因数の和:49360

約数の個数: 16

約数和(自身を含む): 25751904640

約数和(自身を除く): 4832972151

約数列:

[1, 7, 13, 91, 5209, 36463, 44131, 67717, 308917, 474019, 573703, 4015921, 229878379, 1609148653, 2988418927, 20918932489]

約数ペア:

[(1, 20918932489), (7, 2988418927), (13, 1609148653), (91, 229878379), (5209, 4015921), (36463, 573703), (44131, 474019), (67717, 308917)]