20781346074

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1\times {\mathrm{3461}}^1$

素因数の和:3600

約数の個数: 96

約数和(自身を含む): 46294307136

約数和(自身を除く): 25512961062

約数列:

[1, 2, 3, 6, 17, 34, 37, 43, 51, 74, 86, 102, 111, 129, 222, 258, 629, 731, 1258, 1369, 1462, 1591, 1887, 2193, 2738, 3182, 3461, 3774, 4107, 4386, 4773, 6922, 8214, 9546, 10383, 20766, 23273, 27047, 46546, 54094, 58837, 58867, 69819, 81141, 117674, 117734, 128057, 139638, 148823, 162282, 176511, 176601, 256114, 297646, 353022, 353202, 384171, 446469, 768342, 892938, 1000739, 2001478, 2176969, 2529991, 3002217, 4353938, 4738109, 5059982, 5506451, 6004434, 6530907, 7589973, 9476218, 11012902, 13061814, 14214327, 15179946, 16519353, 28428654, 33038706, 80547853, 93609667, 161095706, 187219334, 203738687, 241643559, 280829001, 407477374, 483287118, 561658002, 611216061, 1222432122, 3463557679, 6927115358, 10390673037, 20781346074]

約数ペア:

[(1, 20781346074), (2, 10390673037), (3, 6927115358), (6, 3463557679), (17, 1222432122), (34, 611216061), (37, 561658002), (43, 483287118), (51, 407477374), (74, 280829001), (86, 241643559), (102, 203738687), (111, 187219334), (129, 161095706), (222, 93609667), (258, 80547853), (629, 33038706), (731, 28428654), (1258, 16519353), (1369, 15179946), (1462, 14214327), (1591, 13061814), (1887, 11012902), (2193, 9476218), (2738, 7589973), (3182, 6530907), (3461, 6004434), (3774, 5506451), (4107, 5059982), (4386, 4738109), (4773, 4353938), (6922, 3002217), (8214, 2529991), (9546, 2176969), (10383, 2001478), (20766, 1000739), (23273, 892938), (27047, 768342), (46546, 446469), (54094, 384171), (58837, 353202), (58867, 353022), (69819, 297646), (81141, 256114), (117674, 176601), (117734, 176511), (128057, 162282), (139638, 148823)]