20669250

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:185

約数の個数: 128

約数和(自身を含む): 61341696

約数和(自身を除く): 40672446

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 31, 35, 42, 50, 62, 70, 75, 93, 105, 125, 127, 150, 155, 175, 186, 210, 217, 250, 254, 310, 350, 375, 381, 434, 465, 525, 635, 651, 750, 762, 775, 875, 889, 930, 1050, 1085, 1270, 1302, 1550, 1750, 1778, 1905, 2170, 2325, 2625, 2667, 3175, 3255, 3810, 3875, 3937, 4445, 4650, 5250, 5334, 5425, 6350, 6510, 7750, 7874, 8890, 9525, 10850, 11625, 11811, 13335, 15875, 16275, 19050, 19685, 22225, 23250, 23622, 26670, 27125, 27559, 31750, 32550, 39370, 44450, 47625, 54250, 55118, 59055, 66675, 81375, 82677, 95250, 98425, 111125, 118110, 133350, 137795, 162750, 165354, 196850, 222250, 275590, 295275, 333375, 413385, 492125, 590550, 666750, 688975, 826770, 984250, 1377950, 1476375, 2066925, 2952750, 3444875, 4133850, 6889750, 10334625, 20669250]

約数ペア:

[(1, 20669250), (2, 10334625), (3, 6889750), (5, 4133850), (6, 3444875), (7, 2952750), (10, 2066925), (14, 1476375), (15, 1377950), (21, 984250), (25, 826770), (30, 688975), (31, 666750), (35, 590550), (42, 492125), (50, 413385), (62, 333375), (70, 295275), (75, 275590), (93, 222250), (105, 196850), (125, 165354), (127, 162750), (150, 137795), (155, 133350), (175, 118110), (186, 111125), (210, 98425), (217, 95250), (250, 82677), (254, 81375), (310, 66675), (350, 59055), (375, 55118), (381, 54250), (434, 47625), (465, 44450), (525, 39370), (635, 32550), (651, 31750), (750, 27559), (762, 27125), (775, 26670), (875, 23622), (889, 23250), (930, 22225), (1050, 19685), (1085, 19050), (1270, 16275), (1302, 15875), (1550, 13335), (1750, 11811), (1778, 11625), (1905, 10850), (2170, 9525), (2325, 8890), (2625, 7874), (2667, 7750), (3175, 6510), (3255, 6350), (3810, 5425), (3875, 5334), (3937, 5250), (4445, 4650)]