20145469960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{2647}}^1$

素因数の和:3036

約数の個数: 192

約数和(自身を含む): 57705851520

約数和(自身を除く): 37560381560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 353, 385, 392, 440, 490, 539, 616, 706, 770, 980, 1078, 1412, 1540, 1765, 1960, 2156, 2471, 2647, 2695, 2824, 3080, 3530, 3883, 4312, 4942, 5294, 5390, 7060, 7766, 9884, 10588, 10780, 12355, 13235, 14120, 15532, 17297, 18529, 19415, 19768, 21176, 21560, 24710, 26470, 27181, 29117, 31064, 34594, 37058, 38830, 49420, 52940, 54362, 58234, 69188, 74116, 77660, 86485, 92645, 98840, 105880, 108724, 116468, 129703, 135905, 138376, 145585, 148232, 155320, 172970, 185290, 190267, 203819, 217448, 232936, 259406, 271810, 291170, 345940, 370580, 380534, 407638, 518812, 543620, 582340, 648515, 691880, 741160, 761068, 815276, 934391, 951335, 1019095, 1037624, 1087240, 1164680, 1297030, 1426733, 1522136, 1630552, 1868782, 1902670, 2038190, 2594060, 2853466, 3737564, 3805340, 4076380, 4671955, 5188120, 5706932, 6540737, 7133665, 7475128, 7610680, 8152760, 9343910, 10278301, 11413864, 13081474, 14267330, 18687820, 20556602, 26162948, 28534660, 32703685, 37375640, 41113204, 45785159, 51391505, 52325896, 57069320, 65407370, 71948107, 82226408, 91570318, 102783010, 130814740, 143896214, 183140636, 205566020, 228925795, 261629480, 287792428, 359740535, 366281272, 411132040, 457851590, 503636749, 575584856, 719481070, 915703180, 1007273498, 1438962140, 1831406360, 2014546996, 2518183745, 2877924280, 4029093992, 5036367490, 10072734980, 20145469960]

約数ペア:

[(1, 20145469960), (2, 10072734980), (4, 5036367490), (5, 4029093992), (7, 2877924280), (8, 2518183745), (10, 2014546996), (11, 1831406360), (14, 1438962140), (20, 1007273498), (22, 915703180), (28, 719481070), (35, 575584856), (40, 503636749), (44, 457851590), (49, 411132040), (55, 366281272), (56, 359740535), (70, 287792428), (77, 261629480), (88, 228925795), (98, 205566020), (110, 183140636), (140, 143896214), (154, 130814740), (196, 102783010), (220, 91570318), (245, 82226408), (280, 71948107), (308, 65407370), (353, 57069320), (385, 52325896), (392, 51391505), (440, 45785159), (490, 41113204), (539, 37375640), (616, 32703685), (706, 28534660), (770, 26162948), (980, 20556602), (1078, 18687820), (1412, 14267330), (1540, 13081474), (1765, 11413864), (1960, 10278301), (2156, 9343910), (2471, 8152760), (2647, 7610680), (2695, 7475128), (2824, 7133665), (3080, 6540737), (3530, 5706932), (3883, 5188120), (4312, 4671955), (4942, 4076380), (5294, 3805340), (5390, 3737564), (7060, 2853466), (7766, 2594060), (9884, 2038190), (10588, 1902670), (10780, 1868782), (12355, 1630552), (13235, 1522136), (14120, 1426733), (15532, 1297030), (17297, 1164680), (18529, 1087240), (19415, 1037624), (19768, 1019095), (21176, 951335), (21560, 934391), (24710, 815276), (26470, 761068), (27181, 741160), (29117, 691880), (31064, 648515), (34594, 582340), (37058, 543620), (38830, 518812), (49420, 407638), (52940, 380534), (54362, 370580), (58234, 345940), (69188, 291170), (74116, 271810), (77660, 259406), (86485, 232936), (92645, 217448), (98840, 203819), (105880, 190267), (108724, 185290), (116468, 172970), (129703, 155320), (135905, 148232), (138376, 145585)]