20835789

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{4993}}^1$

素因数の和:5116

約数の個数: 16

約数和(自身を含む): 30203712

約数和(自身を除く): 9367923

約数列:

[1, 3, 13, 39, 107, 321, 1391, 4173, 4993, 14979, 64909, 194727, 534251, 1602753, 6945263, 20835789]

約数ペア:

[(1, 20835789), (3, 6945263), (13, 1602753), (39, 534251), (107, 194727), (321, 64909), (1391, 14979), (4173, 4993)]