20499500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{5857}}^1$

素因数の和:5883

約数の個数: 48

約数和(自身を含む): 51175488

約数和(自身を除く): 30675988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 3500, 5857, 11714, 23428, 29285, 40999, 58570, 81998, 117140, 146425, 163996, 204995, 292850, 409990, 585700, 732125, 819980, 1024975, 1464250, 2049950, 2928500, 4099900, 5124875, 10249750, 20499500]

約数ペア:

[(1, 20499500), (2, 10249750), (4, 5124875), (5, 4099900), (7, 2928500), (10, 2049950), (14, 1464250), (20, 1024975), (25, 819980), (28, 732125), (35, 585700), (50, 409990), (70, 292850), (100, 204995), (125, 163996), (140, 146425), (175, 117140), (250, 81998), (350, 58570), (500, 40999), (700, 29285), (875, 23428), (1750, 11714), (3500, 5857)]