20590568

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{36251}}^1$

素因数の和:36328

約数の個数: 16

約数和(自身を含む): 39152160

約数和(自身を除く): 18561592

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 36251, 72502, 145004, 290008, 2573821, 5147642, 10295284, 20590568]

約数ペア:

[(1, 20590568), (2, 10295284), (4, 5147642), (8, 2573821), (71, 290008), (142, 145004), (284, 72502), (568, 36251)]