20805822

素因数分解:

$2^1\times 3^4\times {\mathrm{128431}}^1$

素因数の和:128445

約数の個数: 20

約数和(自身を含む): 46620816

約数和(自身を除く): 25814994

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 128431, 256862, 385293, 770586, 1155879, 2311758, 3467637, 6935274, 10402911, 20805822]

約数ペア:

[(1, 20805822), (2, 10402911), (3, 6935274), (6, 3467637), (9, 2311758), (18, 1155879), (27, 770586), (54, 385293), (81, 256862), (162, 128431)]