20006019

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{18371}}^1$

素因数の和:18399

約数の個数: 18

約数和(自身を含む): 31765188

約数和(自身を除く): 11759169

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 18371, 55113, 165339, 202081, 606243, 1818729, 2222891, 6668673, 20006019]

約数ペア:

[(1, 20006019), (3, 6668673), (9, 2222891), (11, 1818729), (33, 606243), (99, 202081), (121, 165339), (363, 55113), (1089, 18371)]