20718398

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{709}}^1\times {\mathrm{769}}^1$

素因数の和:1499

約数の個数: 16

約数和(自身を含む): 32802000

約数和(自身を除く): 12083602

約数列:

[1, 2, 19, 38, 709, 769, 1418, 1538, 13471, 14611, 26942, 29222, 545221, 1090442, 10359199, 20718398]

約数ペア:

[(1, 20718398), (2, 10359199), (19, 1090442), (38, 545221), (709, 29222), (769, 26942), (1418, 14611), (1538, 13471)]