20309883

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{883}}^1$

素因数の和:955

約数の個数: 32

約数和(自身を含む): 32078592

約数和(自身を除く): 11768709

約数列:

[1, 3, 11, 17, 33, 41, 51, 123, 187, 451, 561, 697, 883, 1353, 2091, 2649, 7667, 9713, 15011, 23001, 29139, 36203, 45033, 108609, 165121, 398233, 495363, 615451, 1194699, 1846353, 6769961, 20309883]

約数ペア:

[(1, 20309883), (3, 6769961), (11, 1846353), (17, 1194699), (33, 615451), (41, 495363), (51, 398233), (123, 165121), (187, 108609), (451, 45033), (561, 36203), (697, 29139), (883, 23001), (1353, 15011), (2091, 9713), (2649, 7667)]