20788339

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3929}}^1$

素因数の和:3990

約数の個数: 16

約数和(自身を含む): 25089120

約数和(自身を除く): 4300781

約数列:

[1, 11, 13, 37, 143, 407, 481, 3929, 5291, 43219, 51077, 145373, 561847, 1599103, 1889849, 20788339]

約数ペア:

[(1, 20788339), (11, 1889849), (13, 1599103), (37, 561847), (143, 145373), (407, 51077), (481, 43219), (3929, 5291)]