20157860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53047}}^1$

素因数の和:53075

約数の個数: 24

約数和(自身を含む): 44560320

約数和(自身を除く): 24402460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 53047, 106094, 212188, 265235, 530470, 1007893, 1060940, 2015786, 4031572, 5039465, 10078930, 20157860]

約数ペア:

[(1, 20157860), (2, 10078930), (4, 5039465), (5, 4031572), (10, 2015786), (19, 1060940), (20, 1007893), (38, 530470), (76, 265235), (95, 212188), (190, 106094), (380, 53047)]