20697706

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{43}}^2\times {\mathrm{193}}^1$

素因数の和:310

約数の個数: 24

約数和(自身を含む): 33051780

約数和(自身を除く): 12354074

約数列:

[1, 2, 29, 43, 58, 86, 193, 386, 1247, 1849, 2494, 3698, 5597, 8299, 11194, 16598, 53621, 107242, 240671, 356857, 481342, 713714, 10348853, 20697706]

約数ペア:

[(1, 20697706), (2, 10348853), (29, 713714), (43, 481342), (58, 356857), (86, 240671), (193, 107242), (386, 53621), (1247, 16598), (1849, 11194), (2494, 8299), (3698, 5597)]