20641200

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:291

約数の個数: 120

約数和(自身を含む): 67162368

約数和(自身を除く): 46521168

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, 103, 120, 150, 167, 200, 206, 240, 300, 309, 334, 400, 412, 501, 515, 600, 618, 668, 824, 835, 1002, 1030, 1200, 1236, 1336, 1545, 1648, 1670, 2004, 2060, 2472, 2505, 2575, 2672, 3090, 3340, 4008, 4120, 4175, 4944, 5010, 5150, 6180, 6680, 7725, 8016, 8240, 8350, 10020, 10300, 12360, 12525, 13360, 15450, 16700, 17201, 20040, 20600, 24720, 25050, 30900, 33400, 34402, 40080, 41200, 50100, 51603, 61800, 66800, 68804, 86005, 100200, 103206, 123600, 137608, 172010, 200400, 206412, 258015, 275216, 344020, 412824, 430025, 516030, 688040, 825648, 860050, 1032060, 1290075, 1376080, 1720100, 2064120, 2580150, 3440200, 4128240, 5160300, 6880400, 10320600, 20641200]

約数ペア:

[(1, 20641200), (2, 10320600), (3, 6880400), (4, 5160300), (5, 4128240), (6, 3440200), (8, 2580150), (10, 2064120), (12, 1720100), (15, 1376080), (16, 1290075), (20, 1032060), (24, 860050), (25, 825648), (30, 688040), (40, 516030), (48, 430025), (50, 412824), (60, 344020), (75, 275216), (80, 258015), (100, 206412), (103, 200400), (120, 172010), (150, 137608), (167, 123600), (200, 103206), (206, 100200), (240, 86005), (300, 68804), (309, 66800), (334, 61800), (400, 51603), (412, 50100), (501, 41200), (515, 40080), (600, 34402), (618, 33400), (668, 30900), (824, 25050), (835, 24720), (1002, 20600), (1030, 20040), (1200, 17201), (1236, 16700), (1336, 15450), (1545, 13360), (1648, 12525), (1670, 12360), (2004, 10300), (2060, 10020), (2472, 8350), (2505, 8240), (2575, 8016), (2672, 7725), (3090, 6680), (3340, 6180), (4008, 5150), (4120, 5010), (4175, 4944)]