20585800

素因数分解:

$2^3\times 5^2\times {\mathrm{102929}}^1$

素因数の和:102945

約数の個数: 24

約数和(自身を含む): 47862450

約数和(自身を除く): 27276650

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 102929, 205858, 411716, 514645, 823432, 1029290, 2058580, 2573225, 4117160, 5146450, 10292900, 20585800]

約数ペア:

[(1, 20585800), (2, 10292900), (4, 5146450), (5, 4117160), (8, 2573225), (10, 2058580), (20, 1029290), (25, 823432), (40, 514645), (50, 411716), (100, 205858), (200, 102929)]