20647407

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{4567}}^1$

素因数の和:4718

約数の個数: 16

約数和(自身を含む): 30258432

約数和(自身を除く): 9611025

約数列:

[1, 3, 11, 33, 137, 411, 1507, 4521, 4567, 13701, 50237, 150711, 625679, 1877037, 6882469, 20647407]

約数ペア:

[(1, 20647407), (3, 6882469), (11, 1877037), (33, 625679), (137, 150711), (411, 50237), (1507, 13701), (4521, 4567)]