20042140

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{10331}}^1$

素因数の和:10437

約数の個数: 24

約数和(自身を含む): 42526512

約数和(自身を除く): 22484372

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 10331, 20662, 41324, 51655, 103310, 206620, 1002107, 2004214, 4008428, 5010535, 10021070, 20042140]

約数ペア:

[(1, 20042140), (2, 10021070), (4, 5010535), (5, 4008428), (10, 2004214), (20, 1002107), (97, 206620), (194, 103310), (388, 51655), (485, 41324), (970, 20662), (1940, 10331)]