20797208

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{60457}}^1$

素因数の和:60506

約数の個数: 16

約数和(自身を含む): 39902280

約数和(自身を除く): 19105072

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 60457, 120914, 241828, 483656, 2599651, 5199302, 10398604, 20797208]

約数ペア:

[(1, 20797208), (2, 10398604), (4, 5199302), (8, 2599651), (43, 483656), (86, 241828), (172, 120914), (344, 60457)]