20736447

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 30772224

約数和(自身を除く): 10035777

約数列:

[1, 3, 17, 41, 47, 51, 123, 141, 211, 633, 697, 799, 1927, 2091, 2397, 3587, 5781, 8651, 9917, 10761, 25953, 29751, 32759, 98277, 147067, 168589, 406597, 441201, 505767, 1219791, 6912149, 20736447]

約数ペア:

[(1, 20736447), (3, 6912149), (17, 1219791), (41, 505767), (47, 441201), (51, 406597), (123, 168589), (141, 147067), (211, 98277), (633, 32759), (697, 29751), (799, 25953), (1927, 10761), (2091, 9917), (2397, 8651), (3587, 5781)]