20519340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20117}}^1$

素因数の和:20146

約数の個数: 48

約数和(自身を含む): 60836832

約数和(自身を除く): 40317492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 20117, 40234, 60351, 80468, 100585, 120702, 201170, 241404, 301755, 341989, 402340, 603510, 683978, 1025967, 1207020, 1367956, 1709945, 2051934, 3419890, 4103868, 5129835, 6839780, 10259670, 20519340]

約数ペア:

[(1, 20519340), (2, 10259670), (3, 6839780), (4, 5129835), (5, 4103868), (6, 3419890), (10, 2051934), (12, 1709945), (15, 1367956), (17, 1207020), (20, 1025967), (30, 683978), (34, 603510), (51, 402340), (60, 341989), (68, 301755), (85, 241404), (102, 201170), (170, 120702), (204, 100585), (255, 80468), (340, 60351), (510, 40234), (1020, 20117)]