20052580

素因数分解:

$2^2\times 5^1\times {\mathrm{919}}^1\times {\mathrm{1091}}^1$

素因数の和:2019

約数の個数: 24

約数和(自身を含む): 42194880

約数和(自身を除く): 22142300

約数列:

[1, 2, 4, 5, 10, 20, 919, 1091, 1838, 2182, 3676, 4364, 4595, 5455, 9190, 10910, 18380, 21820, 1002629, 2005258, 4010516, 5013145, 10026290, 20052580]

約数ペア:

[(1, 20052580), (2, 10026290), (4, 5013145), (5, 4010516), (10, 2005258), (20, 1002629), (919, 21820), (1091, 18380), (1838, 10910), (2182, 9190), (3676, 5455), (4364, 4595)]