20716462

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{1987}}^1$

素因数の和:2403

約数の個数: 16

約数和(自身を含む): 33565392

約数和(自身を除く): 12848930

約数列:

[1, 2, 13, 26, 401, 802, 1987, 3974, 5213, 10426, 25831, 51662, 796787, 1593574, 10358231, 20716462]

約数ペア:

[(1, 20716462), (2, 10358231), (13, 1593574), (26, 796787), (401, 51662), (802, 25831), (1987, 10426), (3974, 5213)]