20378456

素因数分解:

$2^3\times 7^1\times {\mathrm{363901}}^1$

素因数の和:363914

約数の個数: 16

約数和(自身を含む): 43668240

約数和(自身を除く): 23289784

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 363901, 727802, 1455604, 2547307, 2911208, 5094614, 10189228, 20378456]

約数ペア:

[(1, 20378456), (2, 10189228), (4, 5094614), (7, 2911208), (8, 2547307), (14, 1455604), (28, 727802), (56, 363901)]