20879727

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{33301}}^1$

素因数の和:33334

約数の個数: 16

約数和(自身を含む): 31969920

約数和(自身を除く): 11090193

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 33301, 99903, 366311, 632719, 1098933, 1898157, 6959909, 20879727]

約数ペア:

[(1, 20879727), (3, 6959909), (11, 1898157), (19, 1098933), (33, 632719), (57, 366311), (209, 99903), (627, 33301)]