205900820

素因数分解:

$2^2\times 5^1\times {\mathrm{1879}}^1\times {\mathrm{5479}}^1$

素因数の和:7367

約数の個数: 24

約数和(自身を含む): 432700800

約数和(自身を除く): 226799980

約数列:

[1, 2, 4, 5, 10, 20, 1879, 3758, 5479, 7516, 9395, 10958, 18790, 21916, 27395, 37580, 54790, 109580, 10295041, 20590082, 41180164, 51475205, 102950410, 205900820]

約数ペア:

[(1, 205900820), (2, 102950410), (4, 51475205), (5, 41180164), (10, 20590082), (20, 10295041), (1879, 109580), (3758, 54790), (5479, 37580), (7516, 27395), (9395, 21916), (10958, 18790)]