20900400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{17417}}^1$

素因数の和:17438

約数の個数: 60

約数和(自身を含む): 66954792

約数和(自身を除く): 46054392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 150, 200, 240, 300, 400, 600, 1200, 17417, 34834, 52251, 69668, 87085, 104502, 139336, 174170, 209004, 261255, 278672, 348340, 418008, 435425, 522510, 696680, 836016, 870850, 1045020, 1306275, 1393360, 1741700, 2090040, 2612550, 3483400, 4180080, 5225100, 6966800, 10450200, 20900400]

約数ペア:

[(1, 20900400), (2, 10450200), (3, 6966800), (4, 5225100), (5, 4180080), (6, 3483400), (8, 2612550), (10, 2090040), (12, 1741700), (15, 1393360), (16, 1306275), (20, 1045020), (24, 870850), (25, 836016), (30, 696680), (40, 522510), (48, 435425), (50, 418008), (60, 348340), (75, 278672), (80, 261255), (100, 209004), (120, 174170), (150, 139336), (200, 104502), (240, 87085), (300, 69668), (400, 52251), (600, 34834), (1200, 17417)]