20565372933

素因数分解:

$3^4\times 7^1\times {\mathrm{36270499}}^1$

素因数の和:36270518

約数の個数: 20

約数和(自身を含む): 35109844000

約数和(自身を除く): 14544471067

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 36270499, 108811497, 253893493, 326434491, 761680479, 979303473, 2285041437, 2937910419, 6855124311, 20565372933]

約数ペア:

[(1, 20565372933), (3, 6855124311), (7, 2937910419), (9, 2285041437), (21, 979303473), (27, 761680479), (63, 326434491), (81, 253893493), (189, 108811497), (567, 36270499)]