20121247108

素因数分解:

$2^2\times {\mathrm{69019}}^1\times {\mathrm{72883}}^1$

素因数の和:141906

約数の個数: 12

約数和(自身を含む): 35213175760

約数和(自身を除く): 15091928652

約数列:

[1, 2, 4, 69019, 72883, 138038, 145766, 276076, 291532, 5030311777, 10060623554, 20121247108]

約数ペア:

[(1, 20121247108), (2, 10060623554), (4, 5030311777), (69019, 291532), (72883, 276076), (138038, 145766)]