20790218

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{32183}}^1$

素因数の和:32221

約数の個数: 16

約数和(自身を含む): 34758720

約数和(自身を除く): 13968502

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 32183, 64366, 547111, 611477, 1094222, 1222954, 10395109, 20790218]

約数ペア:

[(1, 20790218), (2, 10395109), (17, 1222954), (19, 1094222), (34, 611477), (38, 547111), (323, 64366), (646, 32183)]