20218511056

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{30820901}}^1$

素因数の和:30820950

約数の個数: 20

約数和(自身を含む): 40128814404

約数和(自身を除く): 19910303348

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 30820901, 61641802, 123283604, 246567208, 493134416, 1263656941, 2527313882, 5054627764, 10109255528, 20218511056]

約数ペア:

[(1, 20218511056), (2, 10109255528), (4, 5054627764), (8, 2527313882), (16, 1263656941), (41, 493134416), (82, 246567208), (164, 123283604), (328, 61641802), (656, 30820901)]