20842719

素因数分解:

$3^1\times {\mathrm{41}}^2\times {\mathrm{4133}}^1$

素因数の和:4218

約数の個数: 12

約数和(自身を含む): 28491528

約数和(自身を除く): 7648809

約数列:

[1, 3, 41, 123, 1681, 4133, 5043, 12399, 169453, 508359, 6947573, 20842719]

約数ペア:

[(1, 20842719), (3, 6947573), (41, 508359), (123, 169453), (1681, 12399), (4133, 5043)]