20886786

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{40013}}^1$

素因数の和:40050

約数の個数: 24

約数和(自身を含む): 46816380

約数和(自身を除く): 25929594

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 261, 522, 40013, 80026, 120039, 240078, 360117, 720234, 1160377, 2320754, 3481131, 6962262, 10443393, 20886786]

約数ペア:

[(1, 20886786), (2, 10443393), (3, 6962262), (6, 3481131), (9, 2320754), (18, 1160377), (29, 720234), (58, 360117), (87, 240078), (174, 120039), (261, 80026), (522, 40013)]