20554722

素因数分解:

$2^1\times 3^4\times {\mathrm{181}}^1\times {\mathrm{701}}^1$

素因数の和:896

約数の個数: 40

約数和(自身を含む): 46378332

約数和(自身を除く): 25823610

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 181, 362, 543, 701, 1086, 1402, 1629, 2103, 3258, 4206, 4887, 6309, 9774, 12618, 14661, 18927, 29322, 37854, 56781, 113562, 126881, 253762, 380643, 761286, 1141929, 2283858, 3425787, 6851574, 10277361, 20554722]

約数ペア:

[(1, 20554722), (2, 10277361), (3, 6851574), (6, 3425787), (9, 2283858), (18, 1141929), (27, 761286), (54, 380643), (81, 253762), (162, 126881), (181, 113562), (362, 56781), (543, 37854), (701, 29322), (1086, 18927), (1402, 14661), (1629, 12618), (2103, 9774), (3258, 6309), (4206, 4887)]