20879805

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{23593}}^1$

素因数の和:23660

約数の個数: 16

約数和(自身を含む): 33975360

約数和(自身を除く): 13095555

約数列:

[1, 3, 5, 15, 59, 177, 295, 885, 23593, 70779, 117965, 353895, 1391987, 4175961, 6959935, 20879805]

約数ペア:

[(1, 20879805), (3, 6959935), (5, 4175961), (15, 1391987), (59, 353895), (177, 117965), (295, 70779), (885, 23593)]