20934080

素因数分解:

$2^6\times 5^1\times {\mathrm{65419}}^1$

素因数の和:65436

約数の個数: 28

約数和(自身を含む): 49850040

約数和(自身を除く): 28915960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 65419, 130838, 261676, 327095, 523352, 654190, 1046704, 1308380, 2093408, 2616760, 4186816, 5233520, 10467040, 20934080]

約数ペア:

[(1, 20934080), (2, 10467040), (4, 5233520), (5, 4186816), (8, 2616760), (10, 2093408), (16, 1308380), (20, 1046704), (32, 654190), (40, 523352), (64, 327095), (80, 261676), (160, 130838), (320, 65419)]