20781492

素因数分解:

$2^2\times 3^1\times {\mathrm{1217}}^1\times {\mathrm{1423}}^1$

素因数の和:2647

約数の個数: 24

約数和(自身を含む): 48564096

約数和(自身を除く): 27782604

約数列:

[1, 2, 3, 4, 6, 12, 1217, 1423, 2434, 2846, 3651, 4269, 4868, 5692, 7302, 8538, 14604, 17076, 1731791, 3463582, 5195373, 6927164, 10390746, 20781492]

約数ペア:

[(1, 20781492), (2, 10390746), (3, 6927164), (4, 5195373), (6, 3463582), (12, 1731791), (1217, 17076), (1423, 14604), (2434, 8538), (2846, 7302), (3651, 5692), (4269, 4868)]