20007866740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{14090047}}^1$

素因数の和:14090127

約数の個数: 24

約数和(自身を含む): 42608305152

約数和(自身を除く): 22600438412

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 14090047, 28180094, 56360188, 70450235, 140900470, 281800940, 1000393337, 2000786674, 4001573348, 5001966685, 10003933370, 20007866740]

約数ペア:

[(1, 20007866740), (2, 10003933370), (4, 5001966685), (5, 4001573348), (10, 2000786674), (20, 1000393337), (71, 281800940), (142, 140900470), (284, 70450235), (355, 56360188), (710, 28180094), (1420, 14090047)]