16781008

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{24391}}^1$

素因数の和:24442

約数の個数: 20

約数和(自身を含む): 33270688

約数和(自身を除く): 16489680

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 24391, 48782, 97564, 195128, 390256, 1048813, 2097626, 4195252, 8390504, 16781008]

約数ペア:

[(1, 16781008), (2, 8390504), (4, 4195252), (8, 2097626), (16, 1048813), (43, 390256), (86, 195128), (172, 97564), (344, 48782), (688, 24391)]