20399478

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{309083}}^1$

素因数の和:309099

約数の個数: 16

約数和(自身を含む): 44508096

約数和(自身を除く): 24108618

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 309083, 618166, 927249, 1854498, 3399913, 6799826, 10199739, 20399478]

約数ペア:

[(1, 20399478), (2, 10199739), (3, 6799826), (6, 3399913), (11, 1854498), (22, 927249), (33, 618166), (66, 309083)]