20311039

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{659}}^1$

素因数の和:727

約数の個数: 24

約数和(自身を含む): 25732080

約数和(自身を除く): 5421041

約数列:

[1, 7, 17, 37, 49, 119, 259, 629, 659, 833, 1813, 4403, 4613, 11203, 24383, 30821, 32291, 78421, 170681, 414511, 548947, 1194767, 2901577, 20311039]

約数ペア:

[(1, 20311039), (7, 2901577), (17, 1194767), (37, 548947), (49, 414511), (119, 170681), (259, 78421), (629, 32291), (659, 30821), (833, 24383), (1813, 11203), (4403, 4613)]