20487085

素因数分解:

$5^1\times {\mathrm{37}}^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:193

約数の個数: 24

約数和(自身を含む): 26237736

約数和(自身を除く): 5750651

約数列:

[1, 5, 37, 41, 73, 185, 205, 365, 1369, 1517, 2701, 2993, 6845, 7585, 13505, 14965, 56129, 99937, 110741, 280645, 499685, 553705, 4097417, 20487085]

約数ペア:

[(1, 20487085), (5, 4097417), (37, 553705), (41, 499685), (73, 280645), (185, 110741), (205, 99937), (365, 56129), (1369, 14965), (1517, 13505), (2701, 7585), (2993, 6845)]