20743710960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{1763921}}^1$

素因数の和:1763951

約数の個数: 120

約数和(自身を含む): 74804404176

約数和(自身を除く): 54060693216

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 1763921, 3527842, 5291763, 7055684, 8819605, 10583526, 12347447, 14111368, 17639210, 21167052, 24694894, 26458815, 28222736, 35278420, 37042341, 42334104, 49389788, 52917630, 61737235, 70556840, 74084682, 84668208, 86432129, 98779576, 105835260, 123474470, 141113680, 148169364, 172864258, 185211705, 197559152, 211670520, 246948940, 259296387, 296338728, 345728516, 370423410, 423341040, 432160645, 493897880, 518592774, 592677456, 691457032, 740846820, 864321290, 987795760, 1037185548, 1296481935, 1382914064, 1481693640, 1728642580, 2074371096, 2592963870, 2963387280, 3457285160, 4148742192, 5185927740, 6914570320, 10371855480, 20743710960]

約数ペア:

[(1, 20743710960), (2, 10371855480), (3, 6914570320), (4, 5185927740), (5, 4148742192), (6, 3457285160), (7, 2963387280), (8, 2592963870), (10, 2074371096), (12, 1728642580), (14, 1481693640), (15, 1382914064), (16, 1296481935), (20, 1037185548), (21, 987795760), (24, 864321290), (28, 740846820), (30, 691457032), (35, 592677456), (40, 518592774), (42, 493897880), (48, 432160645), (49, 423341040), (56, 370423410), (60, 345728516), (70, 296338728), (80, 259296387), (84, 246948940), (98, 211670520), (105, 197559152), (112, 185211705), (120, 172864258), (140, 148169364), (147, 141113680), (168, 123474470), (196, 105835260), (210, 98779576), (240, 86432129), (245, 84668208), (280, 74084682), (294, 70556840), (336, 61737235), (392, 52917630), (420, 49389788), (490, 42334104), (560, 37042341), (588, 35278420), (735, 28222736), (784, 26458815), (840, 24694894), (980, 21167052), (1176, 17639210), (1470, 14111368), (1680, 12347447), (1960, 10583526), (2352, 8819605), (2940, 7055684), (3920, 5291763), (5880, 3527842), (11760, 1763921)]