20512260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113957}}^1$

素因数の和:113972

約数の個数: 36

約数和(自身を含む): 62221068

約数和(自身を除く): 41708808

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 113957, 227914, 341871, 455828, 569785, 683742, 1025613, 1139570, 1367484, 1709355, 2051226, 2279140, 3418710, 4102452, 5128065, 6837420, 10256130, 20512260]

約数ペア:

[(1, 20512260), (2, 10256130), (3, 6837420), (4, 5128065), (5, 4102452), (6, 3418710), (9, 2279140), (10, 2051226), (12, 1709355), (15, 1367484), (18, 1139570), (20, 1025613), (30, 683742), (36, 569785), (45, 455828), (60, 341871), (90, 227914), (180, 113957)]