20579400

素因数分解:

$2^3\times 3^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:165

約数の個数: 192

約数和(自身を含む): 73507200

約数和(自身を除く): 52927800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 37, 40, 45, 50, 54, 60, 72, 74, 75, 90, 100, 103, 108, 111, 120, 135, 148, 150, 180, 185, 200, 206, 216, 222, 225, 270, 296, 300, 309, 333, 360, 370, 412, 444, 450, 515, 540, 555, 600, 618, 666, 675, 740, 824, 888, 900, 925, 927, 999, 1030, 1080, 1110, 1236, 1332, 1350, 1480, 1545, 1665, 1800, 1850, 1854, 1998, 2060, 2220, 2472, 2575, 2664, 2700, 2775, 2781, 3090, 3330, 3700, 3708, 3811, 3996, 4120, 4440, 4635, 4995, 5150, 5400, 5550, 5562, 6180, 6660, 7400, 7416, 7622, 7725, 7992, 8325, 9270, 9990, 10300, 11100, 11124, 11433, 12360, 13320, 13905, 15244, 15450, 16650, 18540, 19055, 19980, 20600, 22200, 22248, 22866, 23175, 24975, 27810, 30488, 30900, 33300, 34299, 37080, 38110, 39960, 45732, 46350, 49950, 55620, 57165, 61800, 66600, 68598, 69525, 76220, 91464, 92700, 95275, 99900, 102897, 111240, 114330, 137196, 139050, 152440, 171495, 185400, 190550, 199800, 205794, 228660, 274392, 278100, 285825, 342990, 381100, 411588, 457320, 514485, 556200, 571650, 685980, 762200, 823176, 857475, 1028970, 1143300, 1371960, 1714950, 2057940, 2286600, 2572425, 3429900, 4115880, 5144850, 6859800, 10289700, 20579400]

約数ペア:

[(1, 20579400), (2, 10289700), (3, 6859800), (4, 5144850), (5, 4115880), (6, 3429900), (8, 2572425), (9, 2286600), (10, 2057940), (12, 1714950), (15, 1371960), (18, 1143300), (20, 1028970), (24, 857475), (25, 823176), (27, 762200), (30, 685980), (36, 571650), (37, 556200), (40, 514485), (45, 457320), (50, 411588), (54, 381100), (60, 342990), (72, 285825), (74, 278100), (75, 274392), (90, 228660), (100, 205794), (103, 199800), (108, 190550), (111, 185400), (120, 171495), (135, 152440), (148, 139050), (150, 137196), (180, 114330), (185, 111240), (200, 102897), (206, 99900), (216, 95275), (222, 92700), (225, 91464), (270, 76220), (296, 69525), (300, 68598), (309, 66600), (333, 61800), (360, 57165), (370, 55620), (412, 49950), (444, 46350), (450, 45732), (515, 39960), (540, 38110), (555, 37080), (600, 34299), (618, 33300), (666, 30900), (675, 30488), (740, 27810), (824, 24975), (888, 23175), (900, 22866), (925, 22248), (927, 22200), (999, 20600), (1030, 19980), (1080, 19055), (1110, 18540), (1236, 16650), (1332, 15450), (1350, 15244), (1480, 13905), (1545, 13320), (1665, 12360), (1800, 11433), (1850, 11124), (1854, 11100), (1998, 10300), (2060, 9990), (2220, 9270), (2472, 8325), (2575, 7992), (2664, 7725), (2700, 7622), (2775, 7416), (2781, 7400), (3090, 6660), (3330, 6180), (3700, 5562), (3708, 5550), (3811, 5400), (3996, 5150), (4120, 4995), (4440, 4635)]