20887802

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{42283}}^1$

素因数の和:42317

約数の個数: 16

約数和(自身を含む): 35518560

約数和(自身を除く): 14630758

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 42283, 84566, 549679, 803377, 1099358, 1606754, 10443901, 20887802]

約数ペア:

[(1, 20887802), (2, 10443901), (13, 1606754), (19, 1099358), (26, 803377), (38, 549679), (247, 84566), (494, 42283)]