20544070

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{5023}}^1$

素因数の和:5439

約数の個数: 16

約数和(自身を含む): 37077120

約数和(自身を除く): 16533050

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 5023, 10046, 25115, 50230, 2054407, 4108814, 10272035, 20544070]

約数ペア:

[(1, 20544070), (2, 10272035), (5, 4108814), (10, 2054407), (409, 50230), (818, 25115), (2045, 10046), (4090, 5023)]