20807557424

素因数分解:

$2^4\times {\mathrm{7489}}^1\times {\mathrm{173651}}^1$

素因数の和:181148

約数の個数: 20

約数和(自身を含む): 40320257880

約数和(自身を除く): 19512700456

約数列:

[1, 2, 4, 8, 16, 7489, 14978, 29956, 59912, 119824, 173651, 347302, 694604, 1389208, 2778416, 1300472339, 2600944678, 5201889356, 10403778712, 20807557424]

約数ペア:

[(1, 20807557424), (2, 10403778712), (4, 5201889356), (8, 2600944678), (16, 1300472339), (7489, 2778416), (14978, 1389208), (29956, 694604), (59912, 347302), (119824, 173651)]