20742315

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{125711}}^1$

素因数の和:125730

約数の個数: 16

約数和(自身を含む): 36205056

約数和(自身を除く): 15462741

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 125711, 377133, 628555, 1382821, 1885665, 4148463, 6914105, 20742315]

約数ペア:

[(1, 20742315), (3, 6914105), (5, 4148463), (11, 1885665), (15, 1382821), (33, 628555), (55, 377133), (165, 125711)]