20178416

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{26833}}^1$

素因数の和:26888

約数の個数: 20

約数和(自身を含む): 39928992

約数和(自身を除く): 19750576

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 26833, 53666, 107332, 214664, 429328, 1261151, 2522302, 5044604, 10089208, 20178416]

約数ペア:

[(1, 20178416), (2, 10089208), (4, 5044604), (8, 2522302), (16, 1261151), (47, 429328), (94, 214664), (188, 107332), (376, 53666), (752, 26833)]