20512800970

素因数分解:

$2^1\times 5^1\times {\mathrm{2063}}^1\times {\mathrm{994319}}^1$

素因数の和:996389

約数の個数: 16

約数和(自身を含む): 36940976640

約数和(自身を除く): 16428175670

約数列:

[1, 2, 5, 10, 2063, 4126, 10315, 20630, 994319, 1988638, 4971595, 9943190, 2051280097, 4102560194, 10256400485, 20512800970]

約数ペア:

[(1, 20512800970), (2, 10256400485), (5, 4102560194), (10, 2051280097), (2063, 9943190), (4126, 4971595), (10315, 1988638), (20630, 994319)]