20199368690

素因数分解:

$2^1\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{1921919}}^1$

素因数の和:1922977

約数の個数: 16

約数和(自身を含む): 36393477120

約数和(自身を除く): 16194108430

約数列:

[1, 2, 5, 10, 1051, 2102, 5255, 10510, 1921919, 3843838, 9609595, 19219190, 2019936869, 4039873738, 10099684345, 20199368690]

約数ペア:

[(1, 20199368690), (2, 10099684345), (5, 4039873738), (10, 2019936869), (1051, 19219190), (2102, 9609595), (5255, 3843838), (10510, 1921919)]