20886061

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{751}}^1$

素因数の和:924

約数の個数: 16

約数和(自身を含む): 24906240

約数和(自身を除く): 4020179

約数列:

[1, 7, 29, 137, 203, 751, 959, 3973, 5257, 21779, 27811, 102887, 152453, 720209, 2983723, 20886061]

約数ペア:

[(1, 20886061), (7, 2983723), (29, 720209), (137, 152453), (203, 102887), (751, 27811), (959, 21779), (3973, 5257)]