20846511

素因数分解:

$3^3\times 7^3\times {\mathrm{2251}}^1$

素因数の和:2281

約数の個数: 32

約数和(自身を含む): 36032000

約数和(自身を除く): 15185489

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1323, 2251, 3087, 6753, 9261, 15757, 20259, 47271, 60777, 110299, 141813, 330897, 425439, 772093, 992691, 2316279, 2978073, 6948837, 20846511]

約数ペア:

[(1, 20846511), (3, 6948837), (7, 2978073), (9, 2316279), (21, 992691), (27, 772093), (49, 425439), (63, 330897), (147, 141813), (189, 110299), (343, 60777), (441, 47271), (1029, 20259), (1323, 15757), (2251, 9261), (3087, 6753)]