827430020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1009061}}^1$

素因数の和:1009111

約数の個数: 24

約数和(自身を含む): 1779985368

約数和(自身を除く): 952555348

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1009061, 2018122, 4036244, 5045305, 10090610, 20181220, 41371501, 82743002, 165486004, 206857505, 413715010, 827430020]

約数ペア:

[(1, 827430020), (2, 413715010), (4, 206857505), (5, 165486004), (10, 82743002), (20, 41371501), (41, 20181220), (82, 10090610), (164, 5045305), (205, 4036244), (410, 2018122), (820, 1009061)]