20543000

素因数分解:

$2^3\times 5^3\times {\mathrm{20543}}^1$

素因数の和:20564

約数の個数: 32

約数和(自身を含む): 48072960

約数和(自身を除く): 27529960

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 20543, 41086, 82172, 102715, 164344, 205430, 410860, 513575, 821720, 1027150, 2054300, 2567875, 4108600, 5135750, 10271500, 20543000]

約数ペア:

[(1, 20543000), (2, 10271500), (4, 5135750), (5, 4108600), (8, 2567875), (10, 2054300), (20, 1027150), (25, 821720), (40, 513575), (50, 410860), (100, 205430), (125, 164344), (200, 102715), (250, 82172), (500, 41086), (1000, 20543)]