20279972

素因数分解:

$2^2\times {\mathrm{1259}}^1\times {\mathrm{4027}}^1$

素因数の和:5290

約数の個数: 12

約数和(自身を含む): 35526960

約数和(自身を除く): 15246988

約数列:

[1, 2, 4, 1259, 2518, 4027, 5036, 8054, 16108, 5069993, 10139986, 20279972]

約数ペア:

[(1, 20279972), (2, 10139986), (4, 5069993), (1259, 16108), (2518, 8054), (4027, 5036)]