20798638

素因数分解:

$2^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{2557}}^1$

素因数の和:2656

約数の個数: 24

約数和(自身を含む): 36743112

約数和(自身を除く): 15944474

約数列:

[1, 2, 7, 14, 49, 83, 98, 166, 581, 1162, 2557, 4067, 5114, 8134, 17899, 35798, 125293, 212231, 250586, 424462, 1485617, 2971234, 10399319, 20798638]

約数ペア:

[(1, 20798638), (2, 10399319), (7, 2971234), (14, 1485617), (49, 424462), (83, 250586), (98, 212231), (166, 125293), (581, 35798), (1162, 17899), (2557, 8134), (4067, 5114)]