20242280

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2543}}^1$

素因数の和:2753

約数の個数: 32

約数和(自身を含む): 45792000

約数和(自身を除く): 25549720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 2543, 3980, 5086, 7960, 10172, 12715, 20344, 25430, 50860, 101720, 506057, 1012114, 2024228, 2530285, 4048456, 5060570, 10121140, 20242280]

約数ペア:

[(1, 20242280), (2, 10121140), (4, 5060570), (5, 4048456), (8, 2530285), (10, 2024228), (20, 1012114), (40, 506057), (199, 101720), (398, 50860), (796, 25430), (995, 20344), (1592, 12715), (1990, 10172), (2543, 7960), (3980, 5086)]