20199377375

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{8505001}}^1$

素因数の和:8505035

約数の個数: 16

約数和(自身を含む): 26535606240

約数和(自身を除く): 6336228865

約数列:

[1, 5, 19, 25, 95, 125, 475, 2375, 8505001, 42525005, 161595019, 212625025, 807975095, 1063125125, 4039875475, 20199377375]

約数ペア:

[(1, 20199377375), (5, 4039875475), (19, 1063125125), (25, 807975095), (95, 212625025), (125, 161595019), (475, 42525005), (2375, 8505001)]