20120880272

素因数分解:

$2^4\times {\mathrm{1257555017}}^1$

素因数の和:1257555025

約数の個数: 10

約数和(自身を含む): 38984205558

約数和(自身を除く): 18863325286

約数列:

[1, 2, 4, 8, 16, 1257555017, 2515110034, 5030220068, 10060440136, 20120880272]

約数ペア:

[(1, 20120880272), (2, 10060440136), (4, 5030220068), (8, 2515110034), (16, 1257555017)]