20089030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11887}}^1$

素因数の和:11920

約数の個数: 24

約数和(自身を含む): 39159072

約数和(自身を除く): 19070042

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 11887, 23774, 59435, 118870, 154531, 309062, 772655, 1545310, 2008903, 4017806, 10044515, 20089030]

約数ペア:

[(1, 20089030), (2, 10044515), (5, 4017806), (10, 2008903), (13, 1545310), (26, 772655), (65, 309062), (130, 154531), (169, 118870), (338, 59435), (845, 23774), (1690, 11887)]