20512119745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4444663}}^1$

素因数の和:4444752

約数の個数: 16

約数和(自身を含む): 26881327872

約数和(自身を除く): 6369208127

約数列:

[1, 5, 13, 65, 71, 355, 923, 4615, 4444663, 22223315, 57780619, 288903095, 315571073, 1577855365, 4102423949, 20512119745]

約数ペア:

[(1, 20512119745), (5, 4102423949), (13, 1577855365), (65, 315571073), (71, 288903095), (355, 57780619), (923, 22223315), (4615, 4444663)]