20282850

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:209

約数の個数: 144

約数和(自身を含む): 64067328

約数和(自身を除く): 43784478

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 47, 50, 63, 70, 75, 90, 94, 105, 126, 137, 141, 150, 175, 210, 225, 235, 274, 282, 315, 329, 350, 411, 423, 450, 470, 525, 630, 658, 685, 705, 822, 846, 959, 987, 1050, 1175, 1233, 1370, 1410, 1575, 1645, 1918, 1974, 2055, 2115, 2350, 2466, 2877, 2961, 3150, 3290, 3425, 3525, 4110, 4230, 4795, 4935, 5754, 5922, 6165, 6439, 6850, 7050, 8225, 8631, 9590, 9870, 10275, 10575, 12330, 12878, 14385, 14805, 16450, 17262, 19317, 20550, 21150, 23975, 24675, 28770, 29610, 30825, 32195, 38634, 43155, 45073, 47950, 49350, 57951, 61650, 64390, 71925, 74025, 86310, 90146, 96585, 115902, 135219, 143850, 148050, 160975, 193170, 215775, 225365, 270438, 289755, 321950, 405657, 431550, 450730, 482925, 579510, 676095, 811314, 965850, 1126825, 1352190, 1448775, 2028285, 2253650, 2897550, 3380475, 4056570, 6760950, 10141425, 20282850]

約数ペア:

[(1, 20282850), (2, 10141425), (3, 6760950), (5, 4056570), (6, 3380475), (7, 2897550), (9, 2253650), (10, 2028285), (14, 1448775), (15, 1352190), (18, 1126825), (21, 965850), (25, 811314), (30, 676095), (35, 579510), (42, 482925), (45, 450730), (47, 431550), (50, 405657), (63, 321950), (70, 289755), (75, 270438), (90, 225365), (94, 215775), (105, 193170), (126, 160975), (137, 148050), (141, 143850), (150, 135219), (175, 115902), (210, 96585), (225, 90146), (235, 86310), (274, 74025), (282, 71925), (315, 64390), (329, 61650), (350, 57951), (411, 49350), (423, 47950), (450, 45073), (470, 43155), (525, 38634), (630, 32195), (658, 30825), (685, 29610), (705, 28770), (822, 24675), (846, 23975), (959, 21150), (987, 20550), (1050, 19317), (1175, 17262), (1233, 16450), (1370, 14805), (1410, 14385), (1575, 12878), (1645, 12330), (1918, 10575), (1974, 10275), (2055, 9870), (2115, 9590), (2350, 8631), (2466, 8225), (2877, 7050), (2961, 6850), (3150, 6439), (3290, 6165), (3425, 5922), (3525, 5754), (4110, 4935), (4230, 4795)]