20095556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5443}}^1$

素因数の和:5531

約数の個数: 24

約数和(自身を含む): 38412864

約数和(自身を除く): 18317308

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 5443, 10886, 21772, 70759, 141518, 283036, 386453, 772906, 1545812, 5023889, 10047778, 20095556]

約数ペア:

[(1, 20095556), (2, 10047778), (4, 5023889), (13, 1545812), (26, 772906), (52, 386453), (71, 283036), (142, 141518), (284, 70759), (923, 21772), (1846, 10886), (3692, 5443)]