20812143

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{9413}}^1$

素因数の和:9494

約数の個数: 16

約数和(自身を含む): 30727296

約数和(自身を除く): 9915153

約数列:

[1, 3, 11, 33, 67, 201, 737, 2211, 9413, 28239, 103543, 310629, 630671, 1892013, 6937381, 20812143]

約数ペア:

[(1, 20812143), (3, 6937381), (11, 1892013), (33, 630671), (67, 310629), (201, 103543), (737, 28239), (2211, 9413)]