20704113

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1049}}^1$

素因数の和:1118

約数の個数: 32

約数和(自身を含む): 33264000

約数和(自身を除く): 12559887

約数列:

[1, 3, 9, 17, 27, 43, 51, 129, 153, 387, 459, 731, 1049, 1161, 2193, 3147, 6579, 9441, 17833, 19737, 28323, 45107, 53499, 135321, 160497, 405963, 481491, 766819, 1217889, 2300457, 6901371, 20704113]

約数ペア:

[(1, 20704113), (3, 6901371), (9, 2300457), (17, 1217889), (27, 766819), (43, 481491), (51, 405963), (129, 160497), (153, 135321), (387, 53499), (459, 45107), (731, 28323), (1049, 19737), (1161, 17833), (2193, 9441), (3147, 6579)]