20181484

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{773}}^1$

素因数の和:945

約数の個数: 24

約数和(自身を含む): 36278928

約数和(自身を除く): 16097444

約数列:

[1, 2, 4, 61, 107, 122, 214, 244, 428, 773, 1546, 3092, 6527, 13054, 26108, 47153, 82711, 94306, 165422, 188612, 330844, 5045371, 10090742, 20181484]

約数ペア:

[(1, 20181484), (2, 10090742), (4, 5045371), (61, 330844), (107, 188612), (122, 165422), (214, 94306), (244, 82711), (428, 47153), (773, 26108), (1546, 13054), (3092, 6527)]