20809195

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{5647}}^1$

素因数の和:5730

約数の個数: 16

約数和(自身を含む): 27652608

約数和(自身を除く): 6843413

約数列:

[1, 5, 11, 55, 67, 335, 737, 3685, 5647, 28235, 62117, 310585, 378349, 1891745, 4161839, 20809195]

約数ペア:

[(1, 20809195), (5, 4161839), (11, 1891745), (55, 378349), (67, 310585), (335, 62117), (737, 28235), (3685, 5647)]