20802516

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{247649}}^1$

素因数の和:247663

約数の個数: 24

約数和(自身を含む): 55473600

約数和(自身を除く): 34671084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 247649, 495298, 742947, 990596, 1485894, 1733543, 2971788, 3467086, 5200629, 6934172, 10401258, 20802516]

約数ペア:

[(1, 20802516), (2, 10401258), (3, 6934172), (4, 5200629), (6, 3467086), (7, 2971788), (12, 1733543), (14, 1485894), (21, 990596), (28, 742947), (42, 495298), (84, 247649)]