20957856

素因数分解:

$2^5\times 3^1\times {\mathrm{43}}^1\times {\mathrm{5077}}^1$

素因数の和:5133

約数の個数: 48

約数和(自身を含む): 56304864

約数和(自身を除く): 35347008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 86, 96, 129, 172, 258, 344, 516, 688, 1032, 1376, 2064, 4128, 5077, 10154, 15231, 20308, 30462, 40616, 60924, 81232, 121848, 162464, 218311, 243696, 436622, 487392, 654933, 873244, 1309866, 1746488, 2619732, 3492976, 5239464, 6985952, 10478928, 20957856]

約数ペア:

[(1, 20957856), (2, 10478928), (3, 6985952), (4, 5239464), (6, 3492976), (8, 2619732), (12, 1746488), (16, 1309866), (24, 873244), (32, 654933), (43, 487392), (48, 436622), (86, 243696), (96, 218311), (129, 162464), (172, 121848), (258, 81232), (344, 60924), (516, 40616), (688, 30462), (1032, 20308), (1376, 15231), (2064, 10154), (4128, 5077)]