20844938

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{12757}}^1$

素因数の和:12821

約数の個数: 16

約数和(自身を含む): 33681120

約数和(自身を除く): 12836182

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 12757, 25514, 242383, 484766, 548551, 1097102, 10422469, 20844938]

約数ペア:

[(1, 20844938), (2, 10422469), (19, 1097102), (38, 548551), (43, 484766), (86, 242383), (817, 25514), (1634, 12757)]