20123657948

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{552787}}^1$

素因数の和:553289

約数の個数: 24

約数和(自身を含む): 37147353600

約数和(自身を除く): 17023695652

約数列:

[1, 2, 4, 19, 38, 76, 479, 958, 1916, 9101, 18202, 36404, 552787, 1105574, 2211148, 10502953, 21005906, 42011812, 264784973, 529569946, 1059139892, 5030914487, 10061828974, 20123657948]

約数ペア:

[(1, 20123657948), (2, 10061828974), (4, 5030914487), (19, 1059139892), (38, 529569946), (76, 264784973), (479, 42011812), (958, 21005906), (1916, 10502953), (9101, 2211148), (18202, 1105574), (36404, 552787)]