20839574

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{51329}}^1$

素因数の和:51367

約数の個数: 16

約数和(自身を含む): 36957600

約数和(自身を除く): 16118026

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 51329, 102658, 359303, 718606, 1488541, 2977082, 10419787, 20839574]

約数ペア:

[(1, 20839574), (2, 10419787), (7, 2977082), (14, 1488541), (29, 718606), (58, 359303), (203, 102658), (406, 51329)]