20121485320

素因数分解:

$2^3\times 5^1\times {\mathrm{503037133}}^1$

素因数の和:503037144

約数の個数: 16

約数和(自身を含む): 45273342060

約数和(自身を除く): 25151856740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503037133, 1006074266, 2012148532, 2515185665, 4024297064, 5030371330, 10060742660, 20121485320]

約数ペア:

[(1, 20121485320), (2, 10060742660), (4, 5030371330), (5, 4024297064), (8, 2515185665), (10, 2012148532), (20, 1006074266), (40, 503037133)]