20702019

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{953}}^1$

素因数の和:1526

約数の個数: 16

約数和(自身を含む): 29810592

約数和(自身を除く): 9108573

約数列:

[1, 3, 13, 39, 557, 953, 1671, 2859, 7241, 12389, 21723, 37167, 530821, 1592463, 6900673, 20702019]

約数ペア:

[(1, 20702019), (3, 6900673), (13, 1592463), (39, 530821), (557, 37167), (953, 21723), (1671, 12389), (2859, 7241)]