20826986

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{3221}}^1$

素因数の和:3337

約数の個数: 16

約数和(自身を含む): 32361768

約数和(自身を除く): 11534782

約数列:

[1, 2, 53, 61, 106, 122, 3221, 3233, 6442, 6466, 170713, 196481, 341426, 392962, 10413493, 20826986]

約数ペア:

[(1, 20826986), (2, 10413493), (53, 392962), (61, 341426), (106, 196481), (122, 170713), (3221, 6466), (3233, 6442)]