20320202878

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{2397947}}^1$

素因数の和:2398191

約数の個数: 16

約数和(自身を含む): 32228421120

約数和(自身を除く): 11908218242

約数列:

[1, 2, 19, 38, 223, 446, 4237, 8474, 2397947, 4795894, 45560993, 91121986, 534742181, 1069484362, 10160101439, 20320202878]

約数ペア:

[(1, 20320202878), (2, 10160101439), (19, 1069484362), (38, 534742181), (223, 91121986), (446, 45560993), (4237, 4795894), (8474, 2397947)]