20187382

素因数分解:

$2^1\times {\mathrm{43}}^2\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:244

約数の個数: 24

約数和(自身を含む): 31893264

約数和(自身を除く): 11705882

約数列:

[1, 2, 43, 53, 86, 103, 106, 206, 1849, 2279, 3698, 4429, 4558, 5459, 8858, 10918, 97997, 190447, 195994, 234737, 380894, 469474, 10093691, 20187382]

約数ペア:

[(1, 20187382), (2, 10093691), (43, 469474), (53, 380894), (86, 234737), (103, 195994), (106, 190447), (206, 97997), (1849, 10918), (2279, 8858), (3698, 5459), (4429, 4558)]