20145719

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2351}}^1$

素因数の和:2422

約数の個数: 16

約数和(自身を含む): 23708160

約数和(自身を除く): 3562441

約数列:

[1, 11, 19, 41, 209, 451, 779, 2351, 8569, 25861, 44669, 96391, 491359, 1060301, 1831429, 20145719]

約数ペア:

[(1, 20145719), (11, 1831429), (19, 1060301), (41, 491359), (209, 96391), (451, 44669), (779, 25861), (2351, 8569)]