20547536

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{9239}}^1$

素因数の和:9386

約数の個数: 20

約数和(自身を含む): 40101600

約数和(自身を除く): 19554064

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 9239, 18478, 36956, 73912, 147824, 1284221, 2568442, 5136884, 10273768, 20547536]

約数ペア:

[(1, 20547536), (2, 10273768), (4, 5136884), (8, 2568442), (16, 1284221), (139, 147824), (278, 73912), (556, 36956), (1112, 18478), (2224, 9239)]