20194668740

素因数分解:

$2^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{2108003}}^1$

素因数の和:2108491

約数の個数: 24

約数和(自身を含む): 42497360640

約数和(自身を除く): 22302691900

約数列:

[1, 2, 4, 5, 10, 20, 479, 958, 1916, 2395, 4790, 9580, 2108003, 4216006, 8432012, 10540015, 21080030, 42160060, 1009733437, 2019466874, 4038933748, 5048667185, 10097334370, 20194668740]

約数ペア:

[(1, 20194668740), (2, 10097334370), (4, 5048667185), (5, 4038933748), (10, 2019466874), (20, 1009733437), (479, 42160060), (958, 21080030), (1916, 10540015), (2395, 8432012), (4790, 4216006), (9580, 2108003)]