20996031

素因数分解:

$3^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{2053}}^1$

素因数の和:2550

約数の個数: 16

約数和(自身を含む): 32075264

約数和(自身を除く): 11079233

約数列:

[1, 3, 7, 21, 487, 1461, 2053, 3409, 6159, 10227, 14371, 43113, 999811, 2999433, 6998677, 20996031]

約数ペア:

[(1, 20996031), (3, 6998677), (7, 2999433), (21, 999811), (487, 43113), (1461, 14371), (2053, 10227), (3409, 6159)]