20367275

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{2819}}^1$

素因数の和:2863

約数の個数: 18

約数和(自身を含む): 26837940

約数和(自身を除く): 6470665

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 2819, 7225, 14095, 47923, 70475, 239615, 814691, 1198075, 4073455, 20367275]

約数ペア:

[(1, 20367275), (5, 4073455), (17, 1198075), (25, 814691), (85, 239615), (289, 70475), (425, 47923), (1445, 14095), (2819, 7225)]