20386015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{6673}}^1$

素因数の和:6738

約数の個数: 16

約数和(自身を含む): 26909568

約数和(自身を除く): 6523553

約数列:

[1, 5, 13, 47, 65, 235, 611, 3055, 6673, 33365, 86749, 313631, 433745, 1568155, 4077203, 20386015]

約数ペア:

[(1, 20386015), (5, 4077203), (13, 1568155), (47, 433745), (65, 313631), (235, 86749), (611, 33365), (3055, 6673)]