20826018

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{8969}}^1$

素因数の和:9023

約数の個数: 32

約数和(自身を含む): 47361600

約数和(自身を除く): 26535582

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 86, 129, 258, 387, 774, 1161, 2322, 8969, 17938, 26907, 53814, 80721, 161442, 242163, 385667, 484326, 771334, 1157001, 2314002, 3471003, 6942006, 10413009, 20826018]

約数ペア:

[(1, 20826018), (2, 10413009), (3, 6942006), (6, 3471003), (9, 2314002), (18, 1157001), (27, 771334), (43, 484326), (54, 385667), (86, 242163), (129, 161442), (258, 80721), (387, 53814), (774, 26907), (1161, 17938), (2322, 8969)]