20264500

素因数分解:

$2^2\times 5^3\times {\mathrm{40529}}^1$

素因数の和:40548

約数の個数: 24

約数和(自身を含む): 44258760

約数和(自身を除く): 23994260

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 40529, 81058, 162116, 202645, 405290, 810580, 1013225, 2026450, 4052900, 5066125, 10132250, 20264500]

約数ペア:

[(1, 20264500), (2, 10132250), (4, 5066125), (5, 4052900), (10, 2026450), (20, 1013225), (25, 810580), (50, 405290), (100, 202645), (125, 162116), (250, 81058), (500, 40529)]