20824510

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{42499}}^1$

素因数の和:42520

約数の個数: 24

約数和(自身を含む): 43605000

約数和(自身を除く): 22780490

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 42499, 84998, 212495, 297493, 424990, 594986, 1487465, 2082451, 2974930, 4164902, 10412255, 20824510]

約数ペア:

[(1, 20824510), (2, 10412255), (5, 4164902), (7, 2974930), (10, 2082451), (14, 1487465), (35, 594986), (49, 424990), (70, 297493), (98, 212495), (245, 84998), (490, 42499)]