20078700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:192

約数の個数: 144

約数和(自身を含む): 63995904

約数和(自身を除く): 43917204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 31, 34, 50, 51, 60, 62, 68, 75, 85, 93, 100, 102, 124, 127, 150, 155, 170, 186, 204, 254, 255, 300, 310, 340, 372, 381, 425, 465, 508, 510, 527, 620, 635, 762, 775, 850, 930, 1020, 1054, 1270, 1275, 1524, 1550, 1581, 1700, 1860, 1905, 2108, 2159, 2325, 2540, 2550, 2635, 3100, 3162, 3175, 3810, 3937, 4318, 4650, 5100, 5270, 6324, 6350, 6477, 7620, 7874, 7905, 8636, 9300, 9525, 10540, 10795, 11811, 12700, 12954, 13175, 15748, 15810, 19050, 19685, 21590, 23622, 25908, 26350, 31620, 32385, 38100, 39370, 39525, 43180, 47244, 52700, 53975, 59055, 64770, 66929, 78740, 79050, 98425, 107950, 118110, 129540, 133858, 158100, 161925, 196850, 200787, 215900, 236220, 267716, 295275, 323850, 334645, 393700, 401574, 590550, 647700, 669290, 803148, 1003935, 1181100, 1338580, 1673225, 2007870, 3346450, 4015740, 5019675, 6692900, 10039350, 20078700]

約数ペア:

[(1, 20078700), (2, 10039350), (3, 6692900), (4, 5019675), (5, 4015740), (6, 3346450), (10, 2007870), (12, 1673225), (15, 1338580), (17, 1181100), (20, 1003935), (25, 803148), (30, 669290), (31, 647700), (34, 590550), (50, 401574), (51, 393700), (60, 334645), (62, 323850), (68, 295275), (75, 267716), (85, 236220), (93, 215900), (100, 200787), (102, 196850), (124, 161925), (127, 158100), (150, 133858), (155, 129540), (170, 118110), (186, 107950), (204, 98425), (254, 79050), (255, 78740), (300, 66929), (310, 64770), (340, 59055), (372, 53975), (381, 52700), (425, 47244), (465, 43180), (508, 39525), (510, 39370), (527, 38100), (620, 32385), (635, 31620), (762, 26350), (775, 25908), (850, 23622), (930, 21590), (1020, 19685), (1054, 19050), (1270, 15810), (1275, 15748), (1524, 13175), (1550, 12954), (1581, 12700), (1700, 11811), (1860, 10795), (1905, 10540), (2108, 9525), (2159, 9300), (2325, 8636), (2540, 7905), (2550, 7874), (2635, 7620), (3100, 6477), (3162, 6350), (3175, 6324), (3810, 5270), (3937, 5100), (4318, 4650)]