20090642288

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{9165439}}^1$

素因数の和:9165584

約数の個数: 20

約数和(自身を含む): 39209752320

約数和(自身を除く): 19119110032

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 9165439, 18330878, 36661756, 73323512, 146647024, 1255665143, 2511330286, 5022660572, 10045321144, 20090642288]

約数ペア:

[(1, 20090642288), (2, 10045321144), (4, 5022660572), (8, 2511330286), (16, 1255665143), (137, 146647024), (274, 73323512), (548, 36661756), (1096, 18330878), (2192, 9165439)]