20874990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{5479}}^1$

素因数の和:5616

約数の個数: 32

約数和(自身を含む): 50503680

約数和(自身を除く): 29628690

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 127, 254, 381, 635, 762, 1270, 1905, 3810, 5479, 10958, 16437, 27395, 32874, 54790, 82185, 164370, 695833, 1391666, 2087499, 3479165, 4174998, 6958330, 10437495, 20874990]

約数ペア:

[(1, 20874990), (2, 10437495), (3, 6958330), (5, 4174998), (6, 3479165), (10, 2087499), (15, 1391666), (30, 695833), (127, 164370), (254, 82185), (381, 54790), (635, 32874), (762, 27395), (1270, 16437), (1905, 10958), (3810, 5479)]