20245880

素因数分解:

$2^3\times 5^1\times {\mathrm{506147}}^1$

素因数の和:506158

約数の個数: 16

約数和(自身を含む): 45553320

約数和(自身を除く): 25307440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 506147, 1012294, 2024588, 2530735, 4049176, 5061470, 10122940, 20245880]

約数ペア:

[(1, 20245880), (2, 10122940), (4, 5061470), (5, 4049176), (8, 2530735), (10, 2024588), (20, 1012294), (40, 506147)]