13704272

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{19919}}^1$

素因数の和:19970

約数の個数: 20

約数和(自身を含む): 27170880

約数和(自身を除く): 13466608

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 19919, 39838, 79676, 159352, 318704, 856517, 1713034, 3426068, 6852136, 13704272]

約数ペア:

[(1, 13704272), (2, 6852136), (4, 3426068), (8, 1713034), (16, 856517), (43, 318704), (86, 159352), (172, 79676), (344, 39838), (688, 19919)]