20178390872

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{58658113}}^1$

素因数の和:58658162

約数の個数: 16

約数和(自身を含む): 38714355240

約数和(自身を除く): 18535964368

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 58658113, 117316226, 234632452, 469264904, 2522298859, 5044597718, 10089195436, 20178390872]

約数ペア:

[(1, 20178390872), (2, 10089195436), (4, 5044597718), (8, 2522298859), (43, 469264904), (86, 234632452), (172, 117316226), (344, 58658113)]