20020884

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{128339}}^1$

素因数の和:128359

約数の個数: 24

約数和(自身を含む): 50309280

約数和(自身を除く): 30288396

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 128339, 256678, 385017, 513356, 770034, 1540068, 1668407, 3336814, 5005221, 6673628, 10010442, 20020884]

約数ペア:

[(1, 20020884), (2, 10010442), (3, 6673628), (4, 5005221), (6, 3336814), (12, 1668407), (13, 1540068), (26, 770034), (39, 513356), (52, 385017), (78, 256678), (156, 128339)]