20560761

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3739}}^1$

素因数の和:3805

約数の個数: 24

約数和(自身を含む): 32672640

約数和(自身を除く): 12111879

約数列:

[1, 3, 9, 13, 39, 47, 117, 141, 423, 611, 1833, 3739, 5499, 11217, 33651, 48607, 145821, 175733, 437463, 527199, 1581597, 2284529, 6853587, 20560761]

約数ペア:

[(1, 20560761), (3, 6853587), (9, 2284529), (13, 1581597), (39, 527199), (47, 437463), (117, 175733), (141, 145821), (423, 48607), (611, 33651), (1833, 11217), (3739, 5499)]