20801934

素因数分解:

$2^1\times 3^4\times {\mathrm{73}}^1\times {\mathrm{1759}}^1$

素因数の和:1846

約数の個数: 40

約数和(自身を含む): 47277120

約数和(自身を除く): 26475186

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 81, 146, 162, 219, 438, 657, 1314, 1759, 1971, 3518, 3942, 5277, 5913, 10554, 11826, 15831, 31662, 47493, 94986, 128407, 142479, 256814, 284958, 385221, 770442, 1155663, 2311326, 3466989, 6933978, 10400967, 20801934]

約数ペア:

[(1, 20801934), (2, 10400967), (3, 6933978), (6, 3466989), (9, 2311326), (18, 1155663), (27, 770442), (54, 385221), (73, 284958), (81, 256814), (146, 142479), (162, 128407), (219, 94986), (438, 47493), (657, 31662), (1314, 15831), (1759, 11826), (1971, 10554), (3518, 5913), (3942, 5277)]