20807869144

素因数分解:

$2^3\times {\mathrm{7103}}^1\times {\mathrm{366181}}^1$

素因数の和:373290

約数の個数: 16

約数和(自身を含む): 39020353920

約数和(自身を除く): 18212484776

約数列:

[1, 2, 4, 8, 7103, 14206, 28412, 56824, 366181, 732362, 1464724, 2929448, 2600983643, 5201967286, 10403934572, 20807869144]

約数ペア:

[(1, 20807869144), (2, 10403934572), (4, 5201967286), (8, 2600983643), (7103, 2929448), (14206, 1464724), (28412, 732362), (56824, 366181)]