20307000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^1\times {\mathrm{967}}^1$

素因数の和:998

約数の個数: 128

約数和(自身を含む): 72483840

約数和(自身を除く): 52176840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 125, 140, 150, 168, 175, 200, 210, 250, 280, 300, 350, 375, 420, 500, 525, 600, 700, 750, 840, 875, 967, 1000, 1050, 1400, 1500, 1750, 1934, 2100, 2625, 2901, 3000, 3500, 3868, 4200, 4835, 5250, 5802, 6769, 7000, 7736, 9670, 10500, 11604, 13538, 14505, 19340, 20307, 21000, 23208, 24175, 27076, 29010, 33845, 38680, 40614, 48350, 54152, 58020, 67690, 72525, 81228, 96700, 101535, 116040, 120875, 135380, 145050, 162456, 169225, 193400, 203070, 241750, 270760, 290100, 338450, 362625, 406140, 483500, 507675, 580200, 676900, 725250, 812280, 846125, 967000, 1015350, 1353800, 1450500, 1692250, 2030700, 2538375, 2901000, 3384500, 4061400, 5076750, 6769000, 10153500, 20307000]

約数ペア:

[(1, 20307000), (2, 10153500), (3, 6769000), (4, 5076750), (5, 4061400), (6, 3384500), (7, 2901000), (8, 2538375), (10, 2030700), (12, 1692250), (14, 1450500), (15, 1353800), (20, 1015350), (21, 967000), (24, 846125), (25, 812280), (28, 725250), (30, 676900), (35, 580200), (40, 507675), (42, 483500), (50, 406140), (56, 362625), (60, 338450), (70, 290100), (75, 270760), (84, 241750), (100, 203070), (105, 193400), (120, 169225), (125, 162456), (140, 145050), (150, 135380), (168, 120875), (175, 116040), (200, 101535), (210, 96700), (250, 81228), (280, 72525), (300, 67690), (350, 58020), (375, 54152), (420, 48350), (500, 40614), (525, 38680), (600, 33845), (700, 29010), (750, 27076), (840, 24175), (875, 23208), (967, 21000), (1000, 20307), (1050, 19340), (1400, 14505), (1500, 13538), (1750, 11604), (1934, 10500), (2100, 9670), (2625, 7736), (2901, 7000), (3000, 6769), (3500, 5802), (3868, 5250), (4200, 4835)]