20180474776

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1\times {\mathrm{229}}^1$

素因数の和:558

約数の個数: 192

約数和(自身を含む): 48932812800

約数和(自身を除く): 28752338024

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 107, 154, 191, 196, 214, 229, 308, 382, 392, 428, 458, 539, 616, 749, 764, 856, 916, 1078, 1177, 1337, 1498, 1528, 1603, 1832, 2101, 2156, 2354, 2519, 2674, 2996, 3206, 4202, 4312, 4708, 5038, 5243, 5348, 5992, 6412, 8239, 8404, 9359, 9416, 10076, 10486, 10696, 11221, 12824, 14707, 16478, 16808, 17633, 18718, 20152, 20437, 20972, 22442, 24503, 29414, 32956, 35266, 37436, 40874, 41944, 43739, 44884, 49006, 57673, 58828, 65912, 70532, 74872, 81748, 87478, 89768, 98012, 102949, 115346, 117656, 123431, 141064, 143059, 163496, 171521, 174956, 196024, 205898, 224807, 230692, 246862, 269533, 286118, 306173, 343042, 349912, 411796, 449614, 461384, 481129, 493724, 539066, 572236, 612346, 686084, 823592, 899228, 962258, 987448, 1001413, 1078132, 1144472, 1200647, 1224692, 1372168, 1573649, 1798456, 1886731, 1924516, 2002826, 2143211, 2156264, 2401294, 2449384, 3147298, 3367903, 3773462, 3849032, 4005652, 4286422, 4680073, 4802588, 6294596, 6735806, 7546924, 8011304, 8572844, 9360146, 9605176, 11015543, 12589192, 13207117, 13471612, 15093848, 17145688, 18720292, 22031086, 23575321, 26414234, 26943224, 32760511, 37440584, 44062172, 47150642, 51480803, 52828468, 65521022, 88124344, 94301284, 102961606, 105656936, 131042044, 188602568, 205923212, 229323577, 262084088, 360365621, 411846424, 458647154, 720731242, 917294308, 1441462484, 1834588616, 2522559347, 2882924968, 5045118694, 10090237388, 20180474776]

約数ペア:

[(1, 20180474776), (2, 10090237388), (4, 5045118694), (7, 2882924968), (8, 2522559347), (11, 1834588616), (14, 1441462484), (22, 917294308), (28, 720731242), (44, 458647154), (49, 411846424), (56, 360365621), (77, 262084088), (88, 229323577), (98, 205923212), (107, 188602568), (154, 131042044), (191, 105656936), (196, 102961606), (214, 94301284), (229, 88124344), (308, 65521022), (382, 52828468), (392, 51480803), (428, 47150642), (458, 44062172), (539, 37440584), (616, 32760511), (749, 26943224), (764, 26414234), (856, 23575321), (916, 22031086), (1078, 18720292), (1177, 17145688), (1337, 15093848), (1498, 13471612), (1528, 13207117), (1603, 12589192), (1832, 11015543), (2101, 9605176), (2156, 9360146), (2354, 8572844), (2519, 8011304), (2674, 7546924), (2996, 6735806), (3206, 6294596), (4202, 4802588), (4312, 4680073), (4708, 4286422), (5038, 4005652), (5243, 3849032), (5348, 3773462), (5992, 3367903), (6412, 3147298), (8239, 2449384), (8404, 2401294), (9359, 2156264), (9416, 2143211), (10076, 2002826), (10486, 1924516), (10696, 1886731), (11221, 1798456), (12824, 1573649), (14707, 1372168), (16478, 1224692), (16808, 1200647), (17633, 1144472), (18718, 1078132), (20152, 1001413), (20437, 987448), (20972, 962258), (22442, 899228), (24503, 823592), (29414, 686084), (32956, 612346), (35266, 572236), (37436, 539066), (40874, 493724), (41944, 481129), (43739, 461384), (44884, 449614), (49006, 411796), (57673, 349912), (58828, 343042), (65912, 306173), (70532, 286118), (74872, 269533), (81748, 246862), (87478, 230692), (89768, 224807), (98012, 205898), (102949, 196024), (115346, 174956), (117656, 171521), (123431, 163496), (141064, 143059)]