20565657019

素因数分解:

${\mathrm{19}}^2\times {\mathrm{103}}^1\times {\mathrm{553093}}^1$

素因数の和:553234

約数の個数: 12

約数和(自身を含む): 21915796656

約数和(自身を除く): 1350139637

約数列:

[1, 19, 103, 361, 1957, 37183, 553093, 10508767, 56968579, 199666573, 1082403001, 20565657019]

約数ペア:

[(1, 20565657019), (19, 1082403001), (103, 199666573), (361, 56968579), (1957, 10508767), (37183, 553093)]