20020581

素因数分解:

$3^3\times 7^1\times {\mathrm{105929}}^1$

素因数の和:105945

約数の個数: 16

約数和(自身を含む): 33897600

約数和(自身を除く): 13877019

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 105929, 317787, 741503, 953361, 2224509, 2860083, 6673527, 20020581]

約数ペア:

[(1, 20020581), (3, 6673527), (7, 2860083), (9, 2224509), (21, 953361), (27, 741503), (63, 317787), (189, 105929)]