20728168344

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1\times {\mathrm{1063}}^1$

素因数の和:1422

約数の個数: 192

約数和(自身を含む): 61487112960

約数和(自身を除く): 40758944616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 83, 104, 117, 156, 166, 234, 249, 251, 312, 332, 468, 498, 502, 664, 747, 753, 936, 996, 1004, 1063, 1079, 1494, 1506, 1992, 2008, 2126, 2158, 2259, 2988, 3012, 3189, 3237, 3263, 4252, 4316, 4518, 5976, 6024, 6378, 6474, 6526, 8504, 8632, 9036, 9567, 9711, 9789, 12756, 12948, 13052, 13819, 18072, 19134, 19422, 19578, 20833, 25512, 25896, 26104, 27638, 29367, 38268, 38844, 39156, 41457, 41666, 55276, 58734, 62499, 76536, 77688, 78312, 82914, 83332, 88229, 110552, 117468, 124371, 124998, 165828, 166664, 176458, 187497, 234936, 248742, 249996, 264687, 266813, 270829, 331656, 352916, 374994, 497484, 499992, 529374, 533626, 541658, 705832, 749988, 794061, 800439, 812487, 994968, 1058748, 1067252, 1083316, 1146977, 1499976, 1588122, 1600878, 1624974, 2117496, 2134504, 2166632, 2293954, 2401317, 2437461, 3176244, 3201756, 3249948, 3440931, 3468569, 4587908, 4802634, 4874922, 6352488, 6403512, 6499896, 6881862, 6937138, 9175816, 9605268, 9749844, 10322793, 10405707, 13763724, 13874276, 19210536, 19499688, 20645586, 20811414, 22145479, 27527448, 27748552, 31217121, 41291172, 41622828, 44290958, 62434242, 66436437, 82582344, 83245656, 88581916, 124868484, 132872874, 177163832, 199309311, 249736968, 265745748, 287891227, 398618622, 531491496, 575782454, 797237244, 863673681, 1151564908, 1594474488, 1727347362, 2303129816, 2591021043, 3454694724, 5182042086, 6909389448, 10364084172, 20728168344]

約数ペア:

[(1, 20728168344), (2, 10364084172), (3, 6909389448), (4, 5182042086), (6, 3454694724), (8, 2591021043), (9, 2303129816), (12, 1727347362), (13, 1594474488), (18, 1151564908), (24, 863673681), (26, 797237244), (36, 575782454), (39, 531491496), (52, 398618622), (72, 287891227), (78, 265745748), (83, 249736968), (104, 199309311), (117, 177163832), (156, 132872874), (166, 124868484), (234, 88581916), (249, 83245656), (251, 82582344), (312, 66436437), (332, 62434242), (468, 44290958), (498, 41622828), (502, 41291172), (664, 31217121), (747, 27748552), (753, 27527448), (936, 22145479), (996, 20811414), (1004, 20645586), (1063, 19499688), (1079, 19210536), (1494, 13874276), (1506, 13763724), (1992, 10405707), (2008, 10322793), (2126, 9749844), (2158, 9605268), (2259, 9175816), (2988, 6937138), (3012, 6881862), (3189, 6499896), (3237, 6403512), (3263, 6352488), (4252, 4874922), (4316, 4802634), (4518, 4587908), (5976, 3468569), (6024, 3440931), (6378, 3249948), (6474, 3201756), (6526, 3176244), (8504, 2437461), (8632, 2401317), (9036, 2293954), (9567, 2166632), (9711, 2134504), (9789, 2117496), (12756, 1624974), (12948, 1600878), (13052, 1588122), (13819, 1499976), (18072, 1146977), (19134, 1083316), (19422, 1067252), (19578, 1058748), (20833, 994968), (25512, 812487), (25896, 800439), (26104, 794061), (27638, 749988), (29367, 705832), (38268, 541658), (38844, 533626), (39156, 529374), (41457, 499992), (41666, 497484), (55276, 374994), (58734, 352916), (62499, 331656), (76536, 270829), (77688, 266813), (78312, 264687), (82914, 249996), (83332, 248742), (88229, 234936), (110552, 187497), (117468, 176458), (124371, 166664), (124998, 165828)]