20390718

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{199909}}^1$

素因数の和:199931

約数の個数: 16

約数和(自身を含む): 43180560

約数和(自身を除く): 22789842

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 199909, 399818, 599727, 1199454, 3398453, 6796906, 10195359, 20390718]

約数ペア:

[(1, 20390718), (2, 10195359), (3, 6796906), (6, 3398453), (17, 1199454), (34, 599727), (51, 399818), (102, 199909)]