2009020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7727}}^1$

素因数の和:7749

約数の個数: 24

約数和(自身を含む): 4544064

約数和(自身を除く): 2535044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7727, 15454, 30908, 38635, 77270, 100451, 154540, 200902, 401804, 502255, 1004510, 2009020]

約数ペア:

[(1, 2009020), (2, 1004510), (4, 502255), (5, 401804), (10, 200902), (13, 154540), (20, 100451), (26, 77270), (52, 38635), (65, 30908), (130, 15454), (260, 7727)]