20339242

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{457}}^1$

素因数の和:511

約数の個数: 48

約数和(自身を含む): 40494528

約数和(自身を除く): 20155286

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 154, 187, 238, 289, 374, 457, 578, 914, 1309, 2023, 2618, 3179, 3199, 4046, 5027, 6358, 6398, 7769, 10054, 15538, 22253, 35189, 44506, 54383, 70378, 85459, 108766, 132073, 170918, 264146, 598213, 924511, 1196426, 1452803, 1849022, 2905606, 10169621, 20339242]

約数ペア:

[(1, 20339242), (2, 10169621), (7, 2905606), (11, 1849022), (14, 1452803), (17, 1196426), (22, 924511), (34, 598213), (77, 264146), (119, 170918), (154, 132073), (187, 108766), (238, 85459), (289, 70378), (374, 54383), (457, 44506), (578, 35189), (914, 22253), (1309, 15538), (2023, 10054), (2618, 7769), (3179, 6398), (3199, 6358), (4046, 5027)]