20019501

素因数分解:

$3^3\times {\mathrm{317}}^1\times {\mathrm{2339}}^1$

素因数の和:2665

約数の個数: 16

約数和(自身を含む): 29764800

約数和(自身を除く): 9745299

約数列:

[1, 3, 9, 27, 317, 951, 2339, 2853, 7017, 8559, 21051, 63153, 741463, 2224389, 6673167, 20019501]

約数ペア:

[(1, 20019501), (3, 6673167), (9, 2224389), (27, 741463), (317, 63153), (951, 21051), (2339, 8559), (2853, 7017)]