20338335

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3299}}^1$

素因数の和:3447

約数の個数: 24

約数和(自身を含む): 35521200

約数和(自身を除く): 15182865

約数列:

[1, 3, 5, 9, 15, 45, 137, 411, 685, 1233, 2055, 3299, 6165, 9897, 16495, 29691, 49485, 148455, 451963, 1355889, 2259815, 4067667, 6779445, 20338335]

約数ペア:

[(1, 20338335), (3, 6779445), (5, 4067667), (9, 2259815), (15, 1355889), (45, 451963), (137, 148455), (411, 49485), (685, 29691), (1233, 16495), (2055, 9897), (3299, 6165)]