20506743

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1039}}^1$

素因数の和:1108

約数の個数: 32

約数和(自身を含む): 32947200

約数和(自身を除く): 12440457

約数列:

[1, 3, 9, 17, 27, 43, 51, 129, 153, 387, 459, 731, 1039, 1161, 2193, 3117, 6579, 9351, 17663, 19737, 28053, 44677, 52989, 134031, 158967, 402093, 476901, 759509, 1206279, 2278527, 6835581, 20506743]

約数ペア:

[(1, 20506743), (3, 6835581), (9, 2278527), (17, 1206279), (27, 759509), (43, 476901), (51, 402093), (129, 158967), (153, 134031), (387, 52989), (459, 44677), (731, 28053), (1039, 19737), (1161, 17663), (2193, 9351), (3117, 6579)]