20111400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11173}}^1$

素因数の和:11195

約数の個数: 72

約数和(自身を含む): 67546830

約数和(自身を除く): 47435430

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 11173, 22346, 33519, 44692, 55865, 67038, 89384, 100557, 111730, 134076, 167595, 201114, 223460, 268152, 279325, 335190, 402228, 446920, 502785, 558650, 670380, 804456, 837975, 1005570, 1117300, 1340760, 1675950, 2011140, 2234600, 2513925, 3351900, 4022280, 5027850, 6703800, 10055700, 20111400]

約数ペア:

[(1, 20111400), (2, 10055700), (3, 6703800), (4, 5027850), (5, 4022280), (6, 3351900), (8, 2513925), (9, 2234600), (10, 2011140), (12, 1675950), (15, 1340760), (18, 1117300), (20, 1005570), (24, 837975), (25, 804456), (30, 670380), (36, 558650), (40, 502785), (45, 446920), (50, 402228), (60, 335190), (72, 279325), (75, 268152), (90, 223460), (100, 201114), (120, 167595), (150, 134076), (180, 111730), (200, 100557), (225, 89384), (300, 67038), (360, 55865), (450, 44692), (600, 33519), (900, 22346), (1800, 11173)]