20098904

素因数分解:

$2^3\times 7^1\times {\mathrm{358909}}^1$

素因数の和:358922

約数の個数: 16

約数和(自身を含む): 43069200

約数和(自身を除く): 22970296

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 358909, 717818, 1435636, 2512363, 2871272, 5024726, 10049452, 20098904]

約数ペア:

[(1, 20098904), (2, 10049452), (4, 5024726), (7, 2871272), (8, 2512363), (14, 1435636), (28, 717818), (56, 358909)]