20708688

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1$

素因数の和:473

約数の個数: 160

約数和(自身を含む): 71995392

約数和(自身を除く): 51286704

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 13, 14, 16, 21, 22, 24, 26, 28, 33, 39, 42, 44, 48, 52, 56, 66, 77, 78, 84, 88, 91, 104, 112, 132, 143, 154, 156, 168, 176, 182, 208, 231, 264, 273, 286, 308, 312, 336, 364, 429, 431, 462, 528, 546, 572, 616, 624, 728, 858, 862, 924, 1001, 1092, 1144, 1232, 1293, 1456, 1716, 1724, 1848, 2002, 2184, 2288, 2586, 3003, 3017, 3432, 3448, 3696, 4004, 4368, 4741, 5172, 5603, 6006, 6034, 6864, 6896, 8008, 9051, 9482, 10344, 11206, 12012, 12068, 14223, 16016, 16809, 18102, 18964, 20688, 22412, 24024, 24136, 28446, 33187, 33618, 36204, 37928, 39221, 44824, 48048, 48272, 56892, 61633, 66374, 67236, 72408, 75856, 78442, 89648, 99561, 113784, 117663, 123266, 132748, 134472, 144816, 156884, 184899, 199122, 227568, 235326, 246532, 265496, 268944, 313768, 369798, 398244, 431431, 470652, 493064, 530992, 627536, 739596, 796488, 862862, 941304, 986128, 1294293, 1479192, 1592976, 1725724, 1882608, 2588586, 2958384, 3451448, 5177172, 6902896, 10354344, 20708688]

約数ペア:

[(1, 20708688), (2, 10354344), (3, 6902896), (4, 5177172), (6, 3451448), (7, 2958384), (8, 2588586), (11, 1882608), (12, 1725724), (13, 1592976), (14, 1479192), (16, 1294293), (21, 986128), (22, 941304), (24, 862862), (26, 796488), (28, 739596), (33, 627536), (39, 530992), (42, 493064), (44, 470652), (48, 431431), (52, 398244), (56, 369798), (66, 313768), (77, 268944), (78, 265496), (84, 246532), (88, 235326), (91, 227568), (104, 199122), (112, 184899), (132, 156884), (143, 144816), (154, 134472), (156, 132748), (168, 123266), (176, 117663), (182, 113784), (208, 99561), (231, 89648), (264, 78442), (273, 75856), (286, 72408), (308, 67236), (312, 66374), (336, 61633), (364, 56892), (429, 48272), (431, 48048), (462, 44824), (528, 39221), (546, 37928), (572, 36204), (616, 33618), (624, 33187), (728, 28446), (858, 24136), (862, 24024), (924, 22412), (1001, 20688), (1092, 18964), (1144, 18102), (1232, 16809), (1293, 16016), (1456, 14223), (1716, 12068), (1724, 12012), (1848, 11206), (2002, 10344), (2184, 9482), (2288, 9051), (2586, 8008), (3003, 6896), (3017, 6864), (3432, 6034), (3448, 6006), (3696, 5603), (4004, 5172), (4368, 4741)]