20406945

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{104651}}^1$

素因数の和:104672

約数の個数: 16

約数和(自身を含む): 35163072

約数和(自身を除く): 14756127

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 104651, 313953, 523255, 1360463, 1569765, 4081389, 6802315, 20406945]

約数ペア:

[(1, 20406945), (3, 6802315), (5, 4081389), (13, 1569765), (15, 1360463), (39, 523255), (65, 313953), (195, 104651)]