20565501

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{3229}}^1$

素因数の和:3436

約数の個数: 16

約数和(自身を含む): 30077760

約数和(自身を除く): 9512259

約数列:

[1, 3, 11, 33, 193, 579, 2123, 3229, 6369, 9687, 35519, 106557, 623197, 1869591, 6855167, 20565501]

約数ペア:

[(1, 20565501), (3, 6855167), (11, 1869591), (33, 623197), (193, 106557), (579, 35519), (2123, 9687), (3229, 6369)]