20097260

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{14153}}^1$

素因数の和:14233

約数の個数: 24

約数和(自身を含む): 42801696

約数和(自身を除く): 22704436

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 14153, 28306, 56612, 70765, 141530, 283060, 1004863, 2009726, 4019452, 5024315, 10048630, 20097260]

約数ペア:

[(1, 20097260), (2, 10048630), (4, 5024315), (5, 4019452), (10, 2009726), (20, 1004863), (71, 283060), (142, 141530), (284, 70765), (355, 56612), (710, 28306), (1420, 14153)]