20553768

素因数分解:

$2^3\times 3^2\times {\mathrm{285469}}^1$

素因数の和:285481

約数の個数: 24

約数和(自身を含む): 55666650

約数和(自身を除く): 35112882

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 285469, 570938, 856407, 1141876, 1712814, 2283752, 2569221, 3425628, 5138442, 6851256, 10276884, 20553768]

約数ペア:

[(1, 20553768), (2, 10276884), (3, 6851256), (4, 5138442), (6, 3425628), (8, 2569221), (9, 2283752), (12, 1712814), (18, 1141876), (24, 856407), (36, 570938), (72, 285469)]