20507400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11393}}^1$

素因数の和:11415

約数の個数: 72

約数和(自身を含む): 68876730

約数和(自身を除く): 48369330

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, 11393, 22786, 34179, 45572, 56965, 68358, 91144, 102537, 113930, 136716, 170895, 205074, 227860, 273432, 284825, 341790, 410148, 455720, 512685, 569650, 683580, 820296, 854475, 1025370, 1139300, 1367160, 1708950, 2050740, 2278600, 2563425, 3417900, 4101480, 5126850, 6835800, 10253700, 20507400]

約数ペア:

[(1, 20507400), (2, 10253700), (3, 6835800), (4, 5126850), (5, 4101480), (6, 3417900), (8, 2563425), (9, 2278600), (10, 2050740), (12, 1708950), (15, 1367160), (18, 1139300), (20, 1025370), (24, 854475), (25, 820296), (30, 683580), (36, 569650), (40, 512685), (45, 455720), (50, 410148), (60, 341790), (72, 284825), (75, 273432), (90, 227860), (100, 205074), (120, 170895), (150, 136716), (180, 113930), (200, 102537), (225, 91144), (300, 68358), (360, 56965), (450, 45572), (600, 34179), (900, 22786), (1800, 11393)]