20680077

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{16937}}^1$

素因数の和:16988

約数の個数: 16

約数和(自身を含む): 30894912

約数和(自身を除く): 10214835

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 16937, 50811, 186307, 558921, 626669, 1880007, 6893359, 20680077]

約数ペア:

[(1, 20680077), (3, 6893359), (11, 1880007), (33, 626669), (37, 558921), (111, 186307), (407, 50811), (1221, 16937)]