20051018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{1181}}^1$

素因数の和:1849

約数の個数: 16

約数和(自身を含む): 32467176

約数和(自身を除く): 12416158

約数列:

[1, 2, 13, 26, 653, 1181, 1306, 2362, 8489, 15353, 16978, 30706, 771193, 1542386, 10025509, 20051018]

約数ペア:

[(1, 20051018), (2, 10025509), (13, 1542386), (26, 771193), (653, 30706), (1181, 16978), (1306, 15353), (2362, 8489)]