20687073

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{2971}}^1$

素因数の和:3196

約数の個数: 16

約数和(自身を含む): 30243072

約数和(自身を除く): 9555999

約数列:

[1, 3, 11, 33, 211, 633, 2321, 2971, 6963, 8913, 32681, 98043, 626881, 1880643, 6895691, 20687073]

約数ペア:

[(1, 20687073), (3, 6895691), (11, 1880643), (33, 626881), (211, 98043), (633, 32681), (2321, 8913), (2971, 6963)]