20354499

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{18691}}^1$

素因数の和:18719

約数の個数: 18

約数和(自身を含む): 32318468

約数和(自身を除く): 11963969

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 18691, 56073, 168219, 205601, 616803, 1850409, 2261611, 6784833, 20354499]

約数ペア:

[(1, 20354499), (3, 6784833), (9, 2261611), (11, 1850409), (33, 616803), (99, 205601), (121, 168219), (363, 56073), (1089, 18691)]