2020565127

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{723439}}^1$

素因数の和:723475

約数の個数: 24

約数和(自身を含む): 3298886400

約数和(自身を除く): 1278321273

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 723439, 2170317, 5064073, 13745341, 15192219, 35448511, 41236023, 96217387, 106345533, 288652161, 673521709, 2020565127]

約数ペア:

[(1, 2020565127), (3, 673521709), (7, 288652161), (19, 106345533), (21, 96217387), (49, 41236023), (57, 35448511), (133, 15192219), (147, 13745341), (399, 5064073), (931, 2170317), (2793, 723439)]