20652513

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{22871}}^1$

素因数の和:22924

約数の個数: 16

約数和(自身を含む): 32203776

約数和(自身を除く): 11551263

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 22871, 68613, 160097, 480291, 983453, 2950359, 6884171, 20652513]

約数ペア:

[(1, 20652513), (3, 6884171), (7, 2950359), (21, 983453), (43, 480291), (129, 160097), (301, 68613), (903, 22871)]