20177486

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{281}}^1$

素因数の和:536

約数の個数: 32

約数和(自身を含む): 36384768

約数和(自身を除く): 16207282

約数列:

[1, 2, 7, 14, 23, 46, 161, 223, 281, 322, 446, 562, 1561, 1967, 3122, 3934, 5129, 6463, 10258, 12926, 35903, 45241, 62663, 71806, 90482, 125326, 438641, 877282, 1441249, 2882498, 10088743, 20177486]

約数ペア:

[(1, 20177486), (2, 10088743), (7, 2882498), (14, 1441249), (23, 877282), (46, 438641), (161, 125326), (223, 90482), (281, 71806), (322, 62663), (446, 45241), (562, 35903), (1561, 12926), (1967, 10258), (3122, 6463), (3934, 5129)]