20185581

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{27241}}^1$

素因数の和:27276

約数の個数: 16

約数和(自身を含む): 30511040

約数和(自身を除く): 10325459

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 27241, 81723, 354133, 517579, 1062399, 1552737, 6728527, 20185581]

約数ペア:

[(1, 20185581), (3, 6728527), (13, 1552737), (19, 1062399), (39, 517579), (57, 354133), (247, 81723), (741, 27241)]