20246500

素因数分解:

$2^2\times 5^3\times {\mathrm{40493}}^1$

素因数の和:40512

約数の個数: 24

約数和(自身を含む): 44219448

約数和(自身を除く): 23972948

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 40493, 80986, 161972, 202465, 404930, 809860, 1012325, 2024650, 4049300, 5061625, 10123250, 20246500]

約数ペア:

[(1, 20246500), (2, 10123250), (4, 5061625), (5, 4049300), (10, 2024650), (20, 1012325), (25, 809860), (50, 404930), (100, 202465), (125, 161972), (250, 80986), (500, 40493)]