56282020

素因数分解:

$2^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{2789}}^1$

素因数の和:3807

約数の個数: 24

約数和(自身を含む): 118351800

約数和(自身を除く): 62069780

約数列:

[1, 2, 4, 5, 10, 20, 1009, 2018, 2789, 4036, 5045, 5578, 10090, 11156, 13945, 20180, 27890, 55780, 2814101, 5628202, 11256404, 14070505, 28141010, 56282020]

約数ペア:

[(1, 56282020), (2, 28141010), (4, 14070505), (5, 11256404), (10, 5628202), (20, 2814101), (1009, 55780), (2018, 27890), (2789, 20180), (4036, 13945), (5045, 11156), (5578, 10090)]