20177187836

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{29847911}}^1$

素因数の和:29847941

約数の個数: 18

約数和(自身を含む): 38235175272

約数和(自身を除く): 18057987436

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 29847911, 59695822, 119391644, 388022843, 776045686, 1552091372, 5044296959, 10088593918, 20177187836]

約数ペア:

[(1, 20177187836), (2, 10088593918), (4, 5044296959), (13, 1552091372), (26, 776045686), (52, 388022843), (169, 119391644), (338, 59695822), (676, 29847911)]