2013440020

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{724259}}^1$

素因数の和:724407

約数の個数: 24

約数和(自身を含む): 4258648800

約数和(自身を除く): 2245208780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 724259, 1448518, 2897036, 3621295, 7242590, 14485180, 100672001, 201344002, 402688004, 503360005, 1006720010, 2013440020]

約数ペア:

[(1, 2013440020), (2, 1006720010), (4, 503360005), (5, 402688004), (10, 201344002), (20, 100672001), (139, 14485180), (278, 7242590), (556, 3621295), (695, 2897036), (1390, 1448518), (2780, 724259)]