20074405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{6571}}^1$

素因数の和:6636

約数の個数: 16

約数和(自身を含む): 26498304

約数和(自身を除く): 6423899

約数列:

[1, 5, 13, 47, 65, 235, 611, 3055, 6571, 32855, 85423, 308837, 427115, 1544185, 4014881, 20074405]

約数ペア:

[(1, 20074405), (5, 4014881), (13, 1544185), (47, 427115), (65, 308837), (235, 85423), (611, 32855), (3055, 6571)]