20403773143

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{281933}}^1$

素因数の和:282258

約数の個数: 16

約数和(自身を含む): 23208806880

約数和(自身を除く): 2805033737

約数列:

[1, 13, 19, 247, 293, 3809, 5567, 72371, 281933, 3665129, 5356727, 69637451, 82606369, 1073882797, 1569521011, 20403773143]

約数ペア:

[(1, 20403773143), (13, 1569521011), (19, 1073882797), (247, 82606369), (293, 69637451), (3809, 5356727), (5567, 3665129), (72371, 281933)]