20195444

素因数分解:

$2^2\times {\mathrm{137}}^2\times {\mathrm{269}}^1$

素因数の和:547

約数の個数: 18

約数和(自身を含む): 35734230

約数和(自身を除く): 15538786

約数列:

[1, 2, 4, 137, 269, 274, 538, 548, 1076, 18769, 36853, 37538, 73706, 75076, 147412, 5048861, 10097722, 20195444]

約数ペア:

[(1, 20195444), (2, 10097722), (4, 5048861), (137, 147412), (269, 75076), (274, 73706), (538, 37538), (548, 36853), (1076, 18769)]