20465510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157427}}^1$

素因数の和:157447

約数の個数: 16

約数和(自身を含む): 39671856

約数和(自身を除く): 19206346

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157427, 314854, 787135, 1574270, 2046551, 4093102, 10232755, 20465510]

約数ペア:

[(1, 20465510), (2, 10232755), (5, 4093102), (10, 2046551), (13, 1574270), (26, 787135), (65, 314854), (130, 157427)]