20517600

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:209

約数の個数: 144

約数和(自身を含む): 68245632

約数和(自身を除く): 47728032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 83, 96, 100, 103, 120, 150, 160, 166, 200, 206, 240, 249, 300, 309, 332, 400, 412, 415, 480, 498, 515, 600, 618, 664, 800, 824, 830, 996, 1030, 1200, 1236, 1245, 1328, 1545, 1648, 1660, 1992, 2060, 2075, 2400, 2472, 2490, 2575, 2656, 3090, 3296, 3320, 3984, 4120, 4150, 4944, 4980, 5150, 6180, 6225, 6640, 7725, 7968, 8240, 8300, 8549, 9888, 9960, 10300, 12360, 12450, 13280, 15450, 16480, 16600, 17098, 19920, 20600, 24720, 24900, 25647, 30900, 33200, 34196, 39840, 41200, 42745, 49440, 49800, 51294, 61800, 66400, 68392, 82400, 85490, 99600, 102588, 123600, 128235, 136784, 170980, 199200, 205176, 213725, 247200, 256470, 273568, 341960, 410352, 427450, 512940, 641175, 683920, 820704, 854900, 1025880, 1282350, 1367840, 1709800, 2051760, 2564700, 3419600, 4103520, 5129400, 6839200, 10258800, 20517600]

約数ペア:

[(1, 20517600), (2, 10258800), (3, 6839200), (4, 5129400), (5, 4103520), (6, 3419600), (8, 2564700), (10, 2051760), (12, 1709800), (15, 1367840), (16, 1282350), (20, 1025880), (24, 854900), (25, 820704), (30, 683920), (32, 641175), (40, 512940), (48, 427450), (50, 410352), (60, 341960), (75, 273568), (80, 256470), (83, 247200), (96, 213725), (100, 205176), (103, 199200), (120, 170980), (150, 136784), (160, 128235), (166, 123600), (200, 102588), (206, 99600), (240, 85490), (249, 82400), (300, 68392), (309, 66400), (332, 61800), (400, 51294), (412, 49800), (415, 49440), (480, 42745), (498, 41200), (515, 39840), (600, 34196), (618, 33200), (664, 30900), (800, 25647), (824, 24900), (830, 24720), (996, 20600), (1030, 19920), (1200, 17098), (1236, 16600), (1245, 16480), (1328, 15450), (1545, 13280), (1648, 12450), (1660, 12360), (1992, 10300), (2060, 9960), (2075, 9888), (2400, 8549), (2472, 8300), (2490, 8240), (2575, 7968), (2656, 7725), (3090, 6640), (3296, 6225), (3320, 6180), (3984, 5150), (4120, 4980), (4150, 4944)]