20378553

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{9859}}^1$

素因数の和:9928

約数の個数: 16

約数和(自身を含む): 29816640

約数和(自身を除く): 9438087

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 9859, 29577, 128167, 384501, 522527, 1567581, 6792851, 20378553]

約数ペア:

[(1, 20378553), (3, 6792851), (13, 1567581), (39, 522527), (53, 384501), (159, 128167), (689, 29577), (2067, 9859)]