20495804

素因数分解:

$2^2\times 7^1\times {\mathrm{419}}^1\times {\mathrm{1747}}^1$

素因数の和:2177

約数の個数: 24

約数和(自身を含む): 41112960

約数和(自身を除く): 20617156

約数列:

[1, 2, 4, 7, 14, 28, 419, 838, 1676, 1747, 2933, 3494, 5866, 6988, 11732, 12229, 24458, 48916, 731993, 1463986, 2927972, 5123951, 10247902, 20495804]

約数ペア:

[(1, 20495804), (2, 10247902), (4, 5123951), (7, 2927972), (14, 1463986), (28, 731993), (419, 48916), (838, 24458), (1676, 12229), (1747, 11732), (2933, 6988), (3494, 5866)]