20199759604

素因数分解:

$2^2\times {\mathrm{12917}}^1\times {\mathrm{390953}}^1$

素因数の和:403874

約数の個数: 12

約数和(自身を含む): 35352406404

約数和(自身を除く): 15152646800

約数列:

[1, 2, 4, 12917, 25834, 51668, 390953, 781906, 1563812, 5049939901, 10099879802, 20199759604]

約数ペア:

[(1, 20199759604), (2, 10099879802), (4, 5049939901), (12917, 1563812), (25834, 781906), (51668, 390953)]