20386316

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{857}}^1$

素因数の和:1193

約数の個数: 24

約数和(自身を含む): 37717680

約数和(自身を除く): 17331364

約数列:

[1, 2, 4, 19, 38, 76, 313, 626, 857, 1252, 1714, 3428, 5947, 11894, 16283, 23788, 32566, 65132, 268241, 536482, 1072964, 5096579, 10193158, 20386316]

約数ペア:

[(1, 20386316), (2, 10193158), (4, 5096579), (19, 1072964), (38, 536482), (76, 268241), (313, 65132), (626, 32566), (857, 23788), (1252, 16283), (1714, 11894), (3428, 5947)]