20684852

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{919}}^1$

素因数の和:1271

約数の個数: 24

約数和(自身を含む): 38485440

約数和(自身を除く): 17800588

約数列:

[1, 2, 4, 17, 34, 68, 331, 662, 919, 1324, 1838, 3676, 5627, 11254, 15623, 22508, 31246, 62492, 304189, 608378, 1216756, 5171213, 10342426, 20684852]

約数ペア:

[(1, 20684852), (2, 10342426), (4, 5171213), (17, 1216756), (34, 608378), (68, 304189), (331, 62492), (662, 31246), (919, 22508), (1324, 15623), (1838, 11254), (3676, 5627)]