20328858

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1237}}^1$

素因数の和:1339

約数の個数: 48

約数和(自身を含む): 48668256

約数和(自身を除く): 28339398

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 83, 99, 166, 198, 249, 498, 747, 913, 1237, 1494, 1826, 2474, 2739, 3711, 5478, 7422, 8217, 11133, 13607, 16434, 22266, 27214, 40821, 81642, 102671, 122463, 205342, 244926, 308013, 616026, 924039, 1129381, 1848078, 2258762, 3388143, 6776286, 10164429, 20328858]

約数ペア:

[(1, 20328858), (2, 10164429), (3, 6776286), (6, 3388143), (9, 2258762), (11, 1848078), (18, 1129381), (22, 924039), (33, 616026), (66, 308013), (83, 244926), (99, 205342), (166, 122463), (198, 102671), (249, 81642), (498, 40821), (747, 27214), (913, 22266), (1237, 16434), (1494, 13607), (1826, 11133), (2474, 8217), (2739, 7422), (3711, 5478)]