20555876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{3361}}^1$

素因数の和:3515

約数の個数: 24

約数和(自身を含む): 39537120

約数和(自身を除く): 18981244

約数列:

[1, 2, 4, 11, 22, 44, 139, 278, 556, 1529, 3058, 3361, 6116, 6722, 13444, 36971, 73942, 147884, 467179, 934358, 1868716, 5138969, 10277938, 20555876]

約数ペア:

[(1, 20555876), (2, 10277938), (4, 5138969), (11, 1868716), (22, 934358), (44, 467179), (139, 147884), (278, 73942), (556, 36971), (1529, 13444), (3058, 6722), (3361, 6116)]