20512225827

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{7127}}^1\times {\mathrm{16831}}^1$

素因数の和:23983

約数の個数: 24

約数和(自身を含む): 31194408960

約数和(自身を除く): 10682183133

約数列:

[1, 3, 9, 19, 57, 171, 7127, 16831, 21381, 50493, 64143, 135413, 151479, 319789, 406239, 959367, 1218717, 2878101, 119954537, 359863611, 1079590833, 2279136203, 6837408609, 20512225827]

約数ペア:

[(1, 20512225827), (3, 6837408609), (9, 2279136203), (19, 1079590833), (57, 359863611), (171, 119954537), (7127, 2878101), (16831, 1218717), (21381, 959367), (50493, 406239), (64143, 319789), (135413, 151479)]