20199590360

素因数分解:

$2^3\times 5^1\times {\mathrm{504989759}}^1$

素因数の和:504989770

約数の個数: 16

約数和(自身を含む): 45449078400

約数和(自身を除く): 25249488040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504989759, 1009979518, 2019959036, 2524948795, 4039918072, 5049897590, 10099795180, 20199590360]

約数ペア:

[(1, 20199590360), (2, 10099795180), (4, 5049897590), (5, 4039918072), (8, 2524948795), (10, 2019959036), (20, 1009979518), (40, 504989759)]