20837435

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{743}}^1$

素因数の和:898

約数の個数: 16

約数和(自身を含む): 25712640

約数和(自身を除く): 4875205

約数列:

[1, 5, 71, 79, 355, 395, 743, 3715, 5609, 28045, 52753, 58697, 263765, 293485, 4167487, 20837435]

約数ペア:

[(1, 20837435), (5, 4167487), (71, 293485), (79, 263765), (355, 58697), (395, 52753), (743, 28045), (3715, 5609)]