20081555

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{1361}}^1$

素因数の和:1606

約数の個数: 16

約数和(自身を含む): 26085024

約数和(自身を除く): 6003469

約数列:

[1, 5, 13, 65, 227, 1135, 1361, 2951, 6805, 14755, 17693, 88465, 308947, 1544735, 4016311, 20081555]

約数ペア:

[(1, 20081555), (5, 4016311), (13, 1544735), (65, 308947), (227, 88465), (1135, 17693), (1361, 14755), (2951, 6805)]