20146800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:287

約数の個数: 120

約数和(自身を含む): 65563264

約数和(自身を除く): 45416464

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, 163, 200, 206, 240, 300, 309, 326, 400, 412, 489, 515, 600, 618, 652, 815, 824, 978, 1030, 1200, 1236, 1304, 1545, 1630, 1648, 1956, 2060, 2445, 2472, 2575, 2608, 3090, 3260, 3912, 4075, 4120, 4890, 4944, 5150, 6180, 6520, 7725, 7824, 8150, 8240, 9780, 10300, 12225, 12360, 13040, 15450, 16300, 16789, 19560, 20600, 24450, 24720, 30900, 32600, 33578, 39120, 41200, 48900, 50367, 61800, 65200, 67156, 83945, 97800, 100734, 123600, 134312, 167890, 195600, 201468, 251835, 268624, 335780, 402936, 419725, 503670, 671560, 805872, 839450, 1007340, 1259175, 1343120, 1678900, 2014680, 2518350, 3357800, 4029360, 5036700, 6715600, 10073400, 20146800]

約数ペア:

[(1, 20146800), (2, 10073400), (3, 6715600), (4, 5036700), (5, 4029360), (6, 3357800), (8, 2518350), (10, 2014680), (12, 1678900), (15, 1343120), (16, 1259175), (20, 1007340), (24, 839450), (25, 805872), (30, 671560), (40, 503670), (48, 419725), (50, 402936), (60, 335780), (75, 268624), (80, 251835), (100, 201468), (103, 195600), (120, 167890), (150, 134312), (163, 123600), (200, 100734), (206, 97800), (240, 83945), (300, 67156), (309, 65200), (326, 61800), (400, 50367), (412, 48900), (489, 41200), (515, 39120), (600, 33578), (618, 32600), (652, 30900), (815, 24720), (824, 24450), (978, 20600), (1030, 19560), (1200, 16789), (1236, 16300), (1304, 15450), (1545, 13040), (1630, 12360), (1648, 12225), (1956, 10300), (2060, 9780), (2445, 8240), (2472, 8150), (2575, 7824), (2608, 7725), (3090, 6520), (3260, 6180), (3912, 5150), (4075, 4944), (4120, 4890)]