20248085

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{28319}}^1$

素因数の和:28348

約数の個数: 16

約数和(自身を含む): 28546560

約数和(自身を除く): 8298475

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 28319, 141595, 311509, 368147, 1557545, 1840735, 4049617, 20248085]

約数ペア:

[(1, 20248085), (5, 4049617), (11, 1840735), (13, 1557545), (55, 368147), (65, 311509), (143, 141595), (715, 28319)]