20088575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{547}}^1$

素因数の和:683

約数の個数: 24

約数和(自身を含む): 27112848

約数和(自身を除く): 7024273

約数列:

[1, 5, 13, 25, 65, 113, 325, 547, 565, 1469, 2735, 2825, 7111, 7345, 13675, 35555, 36725, 61811, 177775, 309055, 803543, 1545275, 4017715, 20088575]

約数ペア:

[(1, 20088575), (5, 4017715), (13, 1545275), (25, 803543), (65, 309055), (113, 177775), (325, 61811), (547, 36725), (565, 35555), (1469, 13675), (2735, 7345), (2825, 7111)]