20199492125

素因数分解:

$5^3\times {\mathrm{83}}^1\times {\mathrm{1946939}}^1$

素因数の和:1947037

約数の個数: 16

約数和(自身を含む): 25512701760

約数和(自身を除く): 5313209635

約数列:

[1, 5, 25, 83, 125, 415, 2075, 10375, 1946939, 9734695, 48673475, 161595937, 243367375, 807979685, 4039898425, 20199492125]

約数ペア:

[(1, 20199492125), (5, 4039898425), (25, 807979685), (83, 243367375), (125, 161595937), (415, 48673475), (2075, 9734695), (10375, 1946939)]