20884863

素因数分解:

$3^1\times {\mathrm{71}}^2\times {\mathrm{1381}}^1$

素因数の和:1526

約数の個数: 12

約数和(自身を含む): 28264664

約数和(自身を除く): 7379801

約数列:

[1, 3, 71, 213, 1381, 4143, 5041, 15123, 98051, 294153, 6961621, 20884863]

約数ペア:

[(1, 20884863), (3, 6961621), (71, 294153), (213, 98051), (1381, 15123), (4143, 5041)]