20396478

素因数分解:

$2^1\times 3^1\times {\mathrm{1171}}^1\times {\mathrm{2903}}^1$

素因数の和:4079

約数の個数: 16

約数和(自身を含む): 40841856

約数和(自身を除く): 20445378

約数列:

[1, 2, 3, 6, 1171, 2342, 2903, 3513, 5806, 7026, 8709, 17418, 3399413, 6798826, 10198239, 20396478]

約数ペア:

[(1, 20396478), (2, 10198239), (3, 6798826), (6, 3399413), (1171, 17418), (2342, 8709), (2903, 7026), (3513, 5806)]