20990862

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{22003}}^1$

素因数の和:22064

約数の個数: 24

約数和(自身を含む): 46340424

約数和(自身を除く): 25349562

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 477, 954, 22003, 44006, 66009, 132018, 198027, 396054, 1166159, 2332318, 3498477, 6996954, 10495431, 20990862]

約数ペア:

[(1, 20990862), (2, 10495431), (3, 6996954), (6, 3498477), (9, 2332318), (18, 1166159), (53, 396054), (106, 198027), (159, 132018), (318, 66009), (477, 44006), (954, 22003)]