20091392

素因数分解:

$2^9\times {\mathrm{39241}}^1$

素因数の和:39259

約数の個数: 20

約数和(自身を含む): 40144566

約数和(自身を除く): 20053174

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 39241, 78482, 156964, 313928, 627856, 1255712, 2511424, 5022848, 10045696, 20091392]

約数ペア:

[(1, 20091392), (2, 10045696), (4, 5022848), (8, 2511424), (16, 1255712), (32, 627856), (64, 313928), (128, 156964), (256, 78482), (512, 39241)]