20792037

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{419}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 13076763

約数列:

[1, 3, 7, 17, 21, 51, 119, 139, 357, 417, 419, 973, 1257, 2363, 2919, 2933, 7089, 7123, 8799, 16541, 21369, 49623, 49861, 58241, 149583, 174723, 407687, 990097, 1223061, 2970291, 6930679, 20792037]

約数ペア:

[(1, 20792037), (3, 6930679), (7, 2970291), (17, 1223061), (21, 990097), (51, 407687), (119, 174723), (139, 149583), (357, 58241), (417, 49861), (419, 49623), (973, 21369), (1257, 16541), (2363, 8799), (2919, 7123), (2933, 7089)]