20168076740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{286397}}^1$

素因数の和:286916

約数の個数: 48

約数和(自身を含む): 48499782912

約数和(自身を除く): 28331706172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 503, 1006, 2012, 2515, 3521, 5030, 7042, 10060, 14084, 17605, 35210, 70420, 286397, 572794, 1145588, 1431985, 2004779, 2863970, 4009558, 5727940, 8019116, 10023895, 20047790, 40095580, 144057691, 288115382, 576230764, 720288455, 1008403837, 1440576910, 2016807674, 2881153820, 4033615348, 5042019185, 10084038370, 20168076740]

約数ペア:

[(1, 20168076740), (2, 10084038370), (4, 5042019185), (5, 4033615348), (7, 2881153820), (10, 2016807674), (14, 1440576910), (20, 1008403837), (28, 720288455), (35, 576230764), (70, 288115382), (140, 144057691), (503, 40095580), (1006, 20047790), (2012, 10023895), (2515, 8019116), (3521, 5727940), (5030, 4009558), (7042, 2863970), (10060, 2004779), (14084, 1431985), (17605, 1145588), (35210, 572794), (70420, 286397)]