20579510

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41999}}^1$

素因数の和:42020

約数の個数: 24

約数和(自身を含む): 43092000

約数和(自身を除く): 22512490

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 41999, 83998, 209995, 293993, 419990, 587986, 1469965, 2057951, 2939930, 4115902, 10289755, 20579510]

約数ペア:

[(1, 20579510), (2, 10289755), (5, 4115902), (7, 2939930), (10, 2057951), (14, 1469965), (35, 587986), (49, 419990), (70, 293993), (98, 209995), (245, 83998), (490, 41999)]