20254269

素因数分解:

$3^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{3559}}^1$

素因数の和:3840

約数の個数: 16

約数和(自身を含む): 30986240

約数和(自身を除く): 10731971

約数列:

[1, 3, 7, 21, 271, 813, 1897, 3559, 5691, 10677, 24913, 74739, 964489, 2893467, 6751423, 20254269]

約数ペア:

[(1, 20254269), (3, 6751423), (7, 2893467), (21, 964489), (271, 74739), (813, 24913), (1897, 10677), (3559, 5691)]