20245040

素因数分解:

$2^4\times 5^1\times {\mathrm{253063}}^1$

素因数の和:253076

約数の個数: 20

約数和(自身を含む): 47069904

約数和(自身を除く): 26824864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 253063, 506126, 1012252, 1265315, 2024504, 2530630, 4049008, 5061260, 10122520, 20245040]

約数ペア:

[(1, 20245040), (2, 10122520), (4, 5061260), (5, 4049008), (8, 2530630), (10, 2024504), (16, 1265315), (20, 1012252), (40, 506126), (80, 253063)]