20657672

素因数分解:

$2^3\times 7^1\times {\mathrm{293}}^1\times {\mathrm{1259}}^1$

素因数の和:1565

約数の個数: 32

約数和(自身を含む): 44452800

約数和(自身を除く): 23795128

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 293, 586, 1172, 1259, 2051, 2344, 2518, 4102, 5036, 8204, 8813, 10072, 16408, 17626, 35252, 70504, 368887, 737774, 1475548, 2582209, 2951096, 5164418, 10328836, 20657672]

約数ペア:

[(1, 20657672), (2, 10328836), (4, 5164418), (7, 2951096), (8, 2582209), (14, 1475548), (28, 737774), (56, 368887), (293, 70504), (586, 35252), (1172, 17626), (1259, 16408), (2051, 10072), (2344, 8813), (2518, 8204), (4102, 5036)]