20338923

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 31260672

約数和(自身を除く): 10921749

約数列:

[1, 3, 11, 23, 33, 69, 127, 211, 253, 381, 633, 759, 1397, 2321, 2921, 4191, 4853, 6963, 8763, 14559, 26797, 32131, 53383, 80391, 96393, 160149, 294767, 616331, 884301, 1848993, 6779641, 20338923]

約数ペア:

[(1, 20338923), (3, 6779641), (11, 1848993), (23, 884301), (33, 616331), (69, 294767), (127, 160149), (211, 96393), (253, 80391), (381, 53383), (633, 32131), (759, 26797), (1397, 14559), (2321, 8763), (2921, 6963), (4191, 4853)]