20886476

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{9341}}^1$

素因数の和:9401

約数の個数: 24

約数和(自身を含む): 40282704

約数和(自身を除く): 19396228

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 9341, 18682, 37364, 121433, 242866, 401663, 485732, 803326, 1606652, 5221619, 10443238, 20886476]

約数ペア:

[(1, 20886476), (2, 10443238), (4, 5221619), (13, 1606652), (26, 803326), (43, 485732), (52, 401663), (86, 242866), (172, 121433), (559, 37364), (1118, 18682), (2236, 9341)]