205659820

素因数分解:

$2^2\times 5^1\times {\mathrm{887}}^1\times {\mathrm{11593}}^1$

素因数の和:12489

約数の個数: 24

約数和(自身を含む): 432409824

約数和(自身を除く): 226750004

約数列:

[1, 2, 4, 5, 10, 20, 887, 1774, 3548, 4435, 8870, 11593, 17740, 23186, 46372, 57965, 115930, 231860, 10282991, 20565982, 41131964, 51414955, 102829910, 205659820]

約数ペア:

[(1, 205659820), (2, 102829910), (4, 51414955), (5, 41131964), (10, 20565982), (20, 10282991), (887, 231860), (1774, 115930), (3548, 57965), (4435, 46372), (8870, 23186), (11593, 17740)]