20691246

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{48571}}^1$

素因数の和:48647

約数の個数: 16

約数和(自身を含む): 41966208

約数和(自身を除く): 21274962

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 48571, 97142, 145713, 291426, 3448541, 6897082, 10345623, 20691246]

約数ペア:

[(1, 20691246), (2, 10345623), (3, 6897082), (6, 3448541), (71, 291426), (142, 145713), (213, 97142), (426, 48571)]