20294080

素因数分解:

$2^6\times 5^1\times {\mathrm{63419}}^1$

素因数の和:63436

約数の個数: 28

約数和(自身を含む): 48326040

約数和(自身を除く): 28031960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 63419, 126838, 253676, 317095, 507352, 634190, 1014704, 1268380, 2029408, 2536760, 4058816, 5073520, 10147040, 20294080]

約数ペア:

[(1, 20294080), (2, 10147040), (4, 5073520), (5, 4058816), (8, 2536760), (10, 2029408), (16, 1268380), (20, 1014704), (32, 634190), (40, 507352), (64, 317095), (80, 253676), (160, 126838), (320, 63419)]