20308935

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{28807}}^1$

素因数の和:28862

約数の個数: 16

約数和(自身を含む): 33186816

約数和(自身を除く): 12877881

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 28807, 86421, 144035, 432105, 1353929, 4061787, 6769645, 20308935]

約数ペア:

[(1, 20308935), (3, 6769645), (5, 4061787), (15, 1353929), (47, 432105), (141, 144035), (235, 86421), (705, 28807)]