20718012

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{246643}}^1$

素因数の和:246657

約数の個数: 24

約数和(自身を含む): 55248256

約数和(自身を除く): 34530244

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 246643, 493286, 739929, 986572, 1479858, 1726501, 2959716, 3453002, 5179503, 6906004, 10359006, 20718012]

約数ペア:

[(1, 20718012), (2, 10359006), (3, 6906004), (4, 5179503), (6, 3453002), (7, 2959716), (12, 1726501), (14, 1479858), (21, 986572), (28, 739929), (42, 493286), (84, 246643)]