20858250

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:193

約数の個数: 128

約数和(自身を含む): 62000640

約数和(自身を除く): 41142390

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 29, 30, 35, 42, 50, 58, 70, 75, 87, 105, 125, 137, 145, 150, 174, 175, 203, 210, 250, 274, 290, 350, 375, 406, 411, 435, 525, 609, 685, 725, 750, 822, 870, 875, 959, 1015, 1050, 1218, 1370, 1450, 1750, 1918, 2030, 2055, 2175, 2625, 2877, 3045, 3425, 3625, 3973, 4110, 4350, 4795, 5075, 5250, 5754, 6090, 6850, 7250, 7946, 9590, 10150, 10275, 10875, 11919, 14385, 15225, 17125, 19865, 20550, 21750, 23838, 23975, 25375, 27811, 28770, 30450, 34250, 39730, 47950, 50750, 51375, 55622, 59595, 71925, 76125, 83433, 99325, 102750, 119190, 119875, 139055, 143850, 152250, 166866, 198650, 239750, 278110, 297975, 359625, 417165, 496625, 595950, 695275, 719250, 834330, 993250, 1390550, 1489875, 2085825, 2979750, 3476375, 4171650, 6952750, 10429125, 20858250]

約数ペア:

[(1, 20858250), (2, 10429125), (3, 6952750), (5, 4171650), (6, 3476375), (7, 2979750), (10, 2085825), (14, 1489875), (15, 1390550), (21, 993250), (25, 834330), (29, 719250), (30, 695275), (35, 595950), (42, 496625), (50, 417165), (58, 359625), (70, 297975), (75, 278110), (87, 239750), (105, 198650), (125, 166866), (137, 152250), (145, 143850), (150, 139055), (174, 119875), (175, 119190), (203, 102750), (210, 99325), (250, 83433), (274, 76125), (290, 71925), (350, 59595), (375, 55622), (406, 51375), (411, 50750), (435, 47950), (525, 39730), (609, 34250), (685, 30450), (725, 28770), (750, 27811), (822, 25375), (870, 23975), (875, 23838), (959, 21750), (1015, 20550), (1050, 19865), (1218, 17125), (1370, 15225), (1450, 14385), (1750, 11919), (1918, 10875), (2030, 10275), (2055, 10150), (2175, 9590), (2625, 7946), (2877, 7250), (3045, 6850), (3425, 6090), (3625, 5754), (3973, 5250), (4110, 5075), (4350, 4795)]