20193057

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{3613}}^1$

素因数の和:3651

約数の個数: 24

約数和(自身を含む): 31571904

約数和(自身を除く): 11378847

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 621, 1863, 3613, 5589, 10839, 32517, 83099, 97551, 249297, 292653, 747891, 877959, 2243673, 6731019, 20193057]

約数ペア:

[(1, 20193057), (3, 6731019), (9, 2243673), (23, 877959), (27, 747891), (69, 292653), (81, 249297), (207, 97551), (243, 83099), (621, 32517), (1863, 10839), (3613, 5589)]