858870020

素因数分解:

$2^2\times 5^1\times {\mathrm{4567}}^1\times {\mathrm{9403}}^1$

素因数の和:13979

約数の個数: 24

約数和(自身を含む): 1804213824

約数和(自身を除く): 945343804

約数列:

[1, 2, 4, 5, 10, 20, 4567, 9134, 9403, 18268, 18806, 22835, 37612, 45670, 47015, 91340, 94030, 188060, 42943501, 85887002, 171774004, 214717505, 429435010, 858870020]

約数ペア:

[(1, 858870020), (2, 429435010), (4, 214717505), (5, 171774004), (10, 85887002), (20, 42943501), (4567, 188060), (9134, 94030), (9403, 91340), (18268, 47015), (18806, 45670), (22835, 37612)]