20857023

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{461}}^1$

素因数の和:935

約数の個数: 24

約数和(自身を含む): 33008976

約数和(自身を除く): 12151953

約数列:

[1, 3, 9, 11, 33, 99, 457, 461, 1371, 1383, 4113, 4149, 5027, 5071, 15081, 15213, 45243, 45639, 210677, 632031, 1896093, 2317447, 6952341, 20857023]

約数ペア:

[(1, 20857023), (3, 6952341), (9, 2317447), (11, 1896093), (33, 632031), (99, 210677), (457, 45639), (461, 45243), (1371, 15213), (1383, 15081), (4113, 5071), (4149, 5027)]