20486574

素因数分解:

$2^1\times 3^3\times {\mathrm{73}}^1\times {\mathrm{5197}}^1$

素因数の和:5281

約数の個数: 32

約数和(自身を含む): 46158240

約数和(自身を除く): 25671666

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 146, 219, 438, 657, 1314, 1971, 3942, 5197, 10394, 15591, 31182, 46773, 93546, 140319, 280638, 379381, 758762, 1138143, 2276286, 3414429, 6828858, 10243287, 20486574]

約数ペア:

[(1, 20486574), (2, 10243287), (3, 6828858), (6, 3414429), (9, 2276286), (18, 1138143), (27, 758762), (54, 379381), (73, 280638), (146, 140319), (219, 93546), (438, 46773), (657, 31182), (1314, 15591), (1971, 10394), (3942, 5197)]