20925729

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{70457}}^1$

素因数の和:70477

約数の個数: 16

約数和(自身を含む): 33819840

約数和(自身を除く): 12894111

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 70457, 211371, 634113, 775027, 1902339, 2325081, 6975243, 20925729]

約数ペア:

[(1, 20925729), (3, 6975243), (9, 2325081), (11, 1902339), (27, 775027), (33, 634113), (99, 211371), (297, 70457)]