20286763

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{751}}^1$

素因数の和:1002

約数の個数: 16

約数和(自身を含む): 24689664

約数和(自身を除く): 4402901

約数列:

[1, 7, 17, 119, 227, 751, 1589, 3859, 5257, 12767, 27013, 89369, 170477, 1193339, 2898109, 20286763]

約数ペア:

[(1, 20286763), (7, 2898109), (17, 1193339), (119, 170477), (227, 89369), (751, 27013), (1589, 12767), (3859, 5257)]