20196434540

素因数分解:

$2^2\times 5^1\times {\mathrm{1949}}^1\times {\mathrm{518123}}^1$

素因数の和:520081

約数の個数: 24

約数和(自身を含む): 42434355600

約数和(自身を除く): 22237921060

約数列:

[1, 2, 4, 5, 10, 20, 1949, 3898, 7796, 9745, 19490, 38980, 518123, 1036246, 2072492, 2590615, 5181230, 10362460, 1009821727, 2019643454, 4039286908, 5049108635, 10098217270, 20196434540]

約数ペア:

[(1, 20196434540), (2, 10098217270), (4, 5049108635), (5, 4039286908), (10, 2019643454), (20, 1009821727), (1949, 10362460), (3898, 5181230), (7796, 2590615), (9745, 2072492), (19490, 1036246), (38980, 518123)]