20526856

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{15937}}^1$

素因数の和:15973

約数の個数: 32

約数和(自身を含む): 45901440

約数和(自身を除く): 25374584

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 15937, 31874, 63748, 111559, 127496, 223118, 366551, 446236, 733102, 892472, 1466204, 2565857, 2932408, 5131714, 10263428, 20526856]

約数ペア:

[(1, 20526856), (2, 10263428), (4, 5131714), (7, 2932408), (8, 2565857), (14, 1466204), (23, 892472), (28, 733102), (46, 446236), (56, 366551), (92, 223118), (161, 127496), (184, 111559), (322, 63748), (644, 31874), (1288, 15937)]