20267889

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{6709}}^1$

素因数の和:6784

約数の個数: 16

約数和(自身を含む): 28987200

約数和(自身を除く): 8719311

約数列:

[1, 3, 19, 53, 57, 159, 1007, 3021, 6709, 20127, 127471, 355577, 382413, 1066731, 6755963, 20267889]

約数ペア:

[(1, 20267889), (3, 6755963), (19, 1066731), (53, 382413), (57, 355577), (159, 127471), (1007, 20127), (3021, 6709)]