4020115

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3847}}^1$

素因数の和:3882

約数の個数: 16

約数和(自身を含む): 5541120

約数和(自身を除く): 1521005

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 3847, 19235, 42317, 73093, 211585, 365465, 804023, 4020115]

約数ペア:

[(1, 4020115), (5, 804023), (11, 365465), (19, 211585), (55, 73093), (95, 42317), (209, 19235), (1045, 3847)]