20120863804

素因数分解:

$2^2\times {\mathrm{251}}^1\times {\mathrm{20040701}}^1$

素因数の和:20040956

約数の個数: 12

約数和(自身を含む): 35351798328

約数和(自身を除く): 15230934524

約数列:

[1, 2, 4, 251, 502, 1004, 20040701, 40081402, 80162804, 5030215951, 10060431902, 20120863804]

約数ペア:

[(1, 20120863804), (2, 10060431902), (4, 5030215951), (251, 80162804), (502, 40081402), (1004, 20040701)]