20104245

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{63823}}^1$

素因数の和:63841

約数の個数: 24

約数和(自身を含む): 39826176

約数和(自身を除く): 19721931

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 63823, 191469, 319115, 446761, 574407, 957345, 1340283, 2233805, 2872035, 4020849, 6701415, 20104245]

約数ペア:

[(1, 20104245), (3, 6701415), (5, 4020849), (7, 2872035), (9, 2233805), (15, 1340283), (21, 957345), (35, 574407), (45, 446761), (63, 319115), (105, 191469), (315, 63823)]