20543853

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{27067}}^1$

素因数の和:27104

約数の個数: 16

約数和(自身を含む): 31182336

約数和(自身を除く): 10638483

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 27067, 81201, 297737, 622541, 893211, 1867623, 6847951, 20543853]

約数ペア:

[(1, 20543853), (3, 6847951), (11, 1867623), (23, 893211), (33, 622541), (69, 297737), (253, 81201), (759, 27067)]