20245150

素因数分解:

$2^1\times 5^2\times {\mathrm{157}}^1\times {\mathrm{2579}}^1$

素因数の和:2748

約数の個数: 24

約数和(自身を含む): 37910520

約数和(自身を除く): 17665370

約数列:

[1, 2, 5, 10, 25, 50, 157, 314, 785, 1570, 2579, 3925, 5158, 7850, 12895, 25790, 64475, 128950, 404903, 809806, 2024515, 4049030, 10122575, 20245150]

約数ペア:

[(1, 20245150), (2, 10122575), (5, 4049030), (10, 2024515), (25, 809806), (50, 404903), (157, 128950), (314, 64475), (785, 25790), (1570, 12895), (2579, 7850), (3925, 5158)]