20187694075

素因数分解:

$5^2\times {\mathrm{1409}}^1\times {\mathrm{573107}}^1$

素因数の和:574526

約数の個数: 12

約数和(自身を含む): 25050550680

約数和(自身を除く): 4862856605

約数列:

[1, 5, 25, 1409, 7045, 35225, 573107, 2865535, 14327675, 807507763, 4037538815, 20187694075]

約数ペア:

[(1, 20187694075), (5, 4037538815), (25, 807507763), (1409, 14327675), (7045, 2865535), (35225, 573107)]