20307051

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{17491}}^1$

素因数の和:17543

約数の個数: 16

約数和(自身を含む): 30785920

約数和(自身を除く): 10478869

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 17491, 52473, 157419, 472257, 752113, 2256339, 6769017, 20307051]

約数ペア:

[(1, 20307051), (3, 6769017), (9, 2256339), (27, 752113), (43, 472257), (129, 157419), (387, 52473), (1161, 17491)]