20778844135

素因数分解:

$5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{5548423}}^1$

素因数の和:5548542

約数の個数: 16

約数和(自身を含む): 28763030016

約数和(自身を除く): 7984185881

約数列:

[1, 5, 7, 35, 107, 535, 749, 3745, 5548423, 27742115, 38838961, 194194805, 593681261, 2968406305, 4155768827, 20778844135]

約数ペア:

[(1, 20778844135), (5, 4155768827), (7, 2968406305), (35, 593681261), (107, 194194805), (535, 38838961), (749, 27742115), (3745, 5548423)]