20565527031

素因数分解:

$3^2\times 7^1\times {\mathrm{326436937}}^1$

素因数の和:326436950

約数の個数: 12

約数和(自身を含む): 33949441552

約数和(自身を除く): 13383914521

約数列:

[1, 3, 7, 9, 21, 63, 326436937, 979310811, 2285058559, 2937932433, 6855175677, 20565527031]

約数ペア:

[(1, 20565527031), (3, 6855175677), (7, 2937932433), (9, 2285058559), (21, 979310811), (63, 326436937)]