889032020

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{393377}}^1$

素因数の和:393499

約数の個数: 24

約数和(自身を含む): 1883493864

約数和(自身を除く): 994461844

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 393377, 786754, 1573508, 1966885, 3933770, 7867540, 44451601, 88903202, 177806404, 222258005, 444516010, 889032020]

約数ペア:

[(1, 889032020), (2, 444516010), (4, 222258005), (5, 177806404), (10, 88903202), (20, 44451601), (113, 7867540), (226, 3933770), (452, 1966885), (565, 1573508), (1130, 786754), (2260, 393377)]