20387499

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{26861}}^1$

素因数の和:26898

約数の個数: 16

約数和(自身を含む): 30945024

約数和(自身を除く): 10557525

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 26861, 80583, 295471, 617803, 886413, 1853409, 6795833, 20387499]

約数ペア:

[(1, 20387499), (3, 6795833), (11, 1853409), (23, 886413), (33, 617803), (69, 295471), (253, 80583), (759, 26861)]