20490732

素因数分解:

$2^2\times 3^6\times {\mathrm{7027}}^1$

素因数の和:7049

約数の個数: 42

約数和(自身を含む): 53771228

約数和(自身を除く): 33280496

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2916, 7027, 14054, 21081, 28108, 42162, 63243, 84324, 126486, 189729, 252972, 379458, 569187, 758916, 1138374, 1707561, 2276748, 3415122, 5122683, 6830244, 10245366, 20490732]

約数ペア:

[(1, 20490732), (2, 10245366), (3, 6830244), (4, 5122683), (6, 3415122), (9, 2276748), (12, 1707561), (18, 1138374), (27, 758916), (36, 569187), (54, 379458), (81, 252972), (108, 189729), (162, 126486), (243, 84324), (324, 63243), (486, 42162), (729, 28108), (972, 21081), (1458, 14054), (2916, 7027)]