20512057188

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{367}}^2$

素因数の和:799

約数の個数: 144

約数和(自身を含む): 57480259200

約数和(自身を除く): 36968202012

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 49, 74, 84, 98, 111, 147, 148, 196, 222, 259, 294, 343, 367, 444, 518, 588, 686, 734, 777, 1029, 1036, 1101, 1372, 1468, 1554, 1813, 2058, 2202, 2569, 3108, 3626, 4116, 4404, 5138, 5439, 7252, 7707, 10276, 10878, 12691, 13579, 15414, 17983, 21756, 25382, 27158, 30828, 35966, 38073, 40737, 50764, 53949, 54316, 71932, 76146, 81474, 95053, 107898, 125881, 134689, 152292, 162948, 190106, 215796, 251762, 269378, 285159, 377643, 380212, 404067, 503524, 538756, 570318, 665371, 755286, 808134, 942823, 1140636, 1330742, 1510572, 1616268, 1885646, 1996113, 2661484, 2828469, 3771292, 3992226, 4657597, 4983493, 5656938, 6599761, 7984452, 9315194, 9966986, 11313876, 13199522, 13972791, 14950479, 18630388, 19799283, 19933972, 26399044, 27945582, 29900958, 34884451, 39598566, 46198327, 55891164, 59801916, 69768902, 79197132, 92396654, 104653353, 138594981, 139537804, 184793308, 209306706, 244191157, 277189962, 418613412, 488382314, 554379924, 732573471, 976764628, 1465146942, 1709338099, 2930293884, 3418676198, 5128014297, 6837352396, 10256028594, 20512057188]

約数ペア:

[(1, 20512057188), (2, 10256028594), (3, 6837352396), (4, 5128014297), (6, 3418676198), (7, 2930293884), (12, 1709338099), (14, 1465146942), (21, 976764628), (28, 732573471), (37, 554379924), (42, 488382314), (49, 418613412), (74, 277189962), (84, 244191157), (98, 209306706), (111, 184793308), (147, 139537804), (148, 138594981), (196, 104653353), (222, 92396654), (259, 79197132), (294, 69768902), (343, 59801916), (367, 55891164), (444, 46198327), (518, 39598566), (588, 34884451), (686, 29900958), (734, 27945582), (777, 26399044), (1029, 19933972), (1036, 19799283), (1101, 18630388), (1372, 14950479), (1468, 13972791), (1554, 13199522), (1813, 11313876), (2058, 9966986), (2202, 9315194), (2569, 7984452), (3108, 6599761), (3626, 5656938), (4116, 4983493), (4404, 4657597), (5138, 3992226), (5439, 3771292), (7252, 2828469), (7707, 2661484), (10276, 1996113), (10878, 1885646), (12691, 1616268), (13579, 1510572), (15414, 1330742), (17983, 1140636), (21756, 942823), (25382, 808134), (27158, 755286), (30828, 665371), (35966, 570318), (38073, 538756), (40737, 503524), (50764, 404067), (53949, 380212), (54316, 377643), (71932, 285159), (76146, 269378), (81474, 251762), (95053, 215796), (107898, 190106), (125881, 162948), (134689, 152292)]