20674913

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{6917}}^1$

素因数の和:6992

約数の個数: 12

約数和(自身を含む): 24448212

約数和(自身を除く): 3773299

約数列:

[1, 7, 49, 61, 427, 2989, 6917, 48419, 338933, 421937, 2953559, 20674913]

約数ペア:

[(1, 20674913), (7, 2953559), (49, 421937), (61, 338933), (427, 48419), (2989, 6917)]