20826945

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{24359}}^1$

素因数の和:24389

約数の個数: 24

約数和(自身を含む): 38001600

約数和(自身を除く): 17174655

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 24359, 73077, 121795, 219231, 365385, 462821, 1096155, 1388463, 2314105, 4165389, 6942315, 20826945]

約数ペア:

[(1, 20826945), (3, 6942315), (5, 4165389), (9, 2314105), (15, 1388463), (19, 1096155), (45, 462821), (57, 365385), (95, 219231), (171, 121795), (285, 73077), (855, 24359)]