20116965

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{121921}}^1$

素因数の和:121940

約数の個数: 16

約数和(自身を含む): 35113536

約数和(自身を除く): 14996571

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 121921, 365763, 609605, 1341131, 1828815, 4023393, 6705655, 20116965]

約数ペア:

[(1, 20116965), (3, 6705655), (5, 4023393), (11, 1828815), (15, 1341131), (33, 609605), (55, 365763), (165, 121921)]