20147706789

素因数分解:

$3^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{1884901}}^1$

素因数の和:1885420

約数の個数: 16

約数和(自身を含む): 30761600640

約数和(自身を除く): 10613893851

約数列:

[1, 3, 7, 21, 509, 1527, 3563, 10689, 1884901, 5654703, 13194307, 39582921, 959414609, 2878243827, 6715902263, 20147706789]

約数ペア:

[(1, 20147706789), (3, 6715902263), (7, 2878243827), (21, 959414609), (509, 39582921), (1527, 13194307), (3563, 5654703), (10689, 1884901)]