20993256

素因数分解:

$2^3\times 3^5\times {\mathrm{10799}}^1$

素因数の和:10820

約数の個数: 48

約数和(自身を含む): 58968000

約数和(自身を除く): 37974744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 972, 1944, 10799, 21598, 32397, 43196, 64794, 86392, 97191, 129588, 194382, 259176, 291573, 388764, 583146, 777528, 874719, 1166292, 1749438, 2332584, 2624157, 3498876, 5248314, 6997752, 10496628, 20993256]

約数ペア:

[(1, 20993256), (2, 10496628), (3, 6997752), (4, 5248314), (6, 3498876), (8, 2624157), (9, 2332584), (12, 1749438), (18, 1166292), (24, 874719), (27, 777528), (36, 583146), (54, 388764), (72, 291573), (81, 259176), (108, 194382), (162, 129588), (216, 97191), (243, 86392), (324, 64794), (486, 43196), (648, 32397), (972, 21598), (1944, 10799)]