20396519

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7507}}^1$

素因数の和:7550

約数の個数: 16

約数和(自身を含む): 25226880

約数和(自身を除く): 4830361

約数列:

[1, 11, 13, 19, 143, 209, 247, 2717, 7507, 82577, 97591, 142633, 1073501, 1568963, 1854229, 20396519]

約数ペア:

[(1, 20396519), (11, 1854229), (13, 1568963), (19, 1073501), (143, 142633), (209, 97591), (247, 82577), (2717, 7507)]