20924703

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 32313600

約数和(自身を除く): 11388897

約数列:

[1, 3, 9, 27, 43, 67, 129, 201, 269, 387, 603, 807, 1161, 1809, 2421, 2881, 7263, 8643, 11567, 18023, 25929, 34701, 54069, 77787, 104103, 162207, 312309, 486621, 774989, 2324967, 6974901, 20924703]

約数ペア:

[(1, 20924703), (3, 6974901), (9, 2324967), (27, 774989), (43, 486621), (67, 312309), (129, 162207), (201, 104103), (269, 77787), (387, 54069), (603, 34701), (807, 25929), (1161, 18023), (1809, 11567), (2421, 8643), (2881, 7263)]