20658814

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{4493}}^1$

素因数の和:4536

約数の個数: 24

約数和(自身を含む): 35862120

約数和(自身を除く): 15203306

約数列:

[1, 2, 11, 19, 22, 38, 121, 209, 242, 418, 2299, 4493, 4598, 8986, 49423, 85367, 98846, 170734, 543653, 939037, 1087306, 1878074, 10329407, 20658814]

約数ペア:

[(1, 20658814), (2, 10329407), (11, 1878074), (19, 1087306), (22, 939037), (38, 543653), (121, 170734), (209, 98846), (242, 85367), (418, 49423), (2299, 8986), (4493, 4598)]