20243165

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{449}}^1$

素因数の和:652

約数の個数: 16

約数和(自身を含む): 24883200

約数和(自身を除く): 4640035

約数列:

[1, 5, 71, 127, 355, 449, 635, 2245, 9017, 31879, 45085, 57023, 159395, 285115, 4048633, 20243165]

約数ペア:

[(1, 20243165), (5, 4048633), (71, 285115), (127, 159395), (355, 57023), (449, 45085), (635, 31879), (2245, 9017)]