20451396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{243469}}^1$

素因数の和:243483

約数の個数: 24

約数和(自身を含む): 54537280

約数和(自身を除く): 34085884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 243469, 486938, 730407, 973876, 1460814, 1704283, 2921628, 3408566, 5112849, 6817132, 10225698, 20451396]

約数ペア:

[(1, 20451396), (2, 10225698), (3, 6817132), (4, 5112849), (6, 3408566), (7, 2921628), (12, 1704283), (14, 1460814), (21, 973876), (28, 730407), (42, 486938), (84, 243469)]