20478269664

素因数分解:

$2^5\times 3^4\times {\mathrm{31}}^1\times {\mathrm{254857}}^1$

素因数の和:254910

約数の個数: 120

約数和(自身を含む): 62169041088

約数和(自身を除く): 41690771424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 72, 81, 93, 96, 108, 124, 144, 162, 186, 216, 248, 279, 288, 324, 372, 432, 496, 558, 648, 744, 837, 864, 992, 1116, 1296, 1488, 1674, 2232, 2511, 2592, 2976, 3348, 4464, 5022, 6696, 8928, 10044, 13392, 20088, 26784, 40176, 80352, 254857, 509714, 764571, 1019428, 1529142, 2038856, 2293713, 3058284, 4077712, 4587426, 6116568, 6881139, 7900567, 8155424, 9174852, 12233136, 13762278, 15801134, 18349704, 20643417, 23701701, 24466272, 27524556, 31602268, 36699408, 41286834, 47403402, 55049112, 63204536, 71105103, 73398816, 82573668, 94806804, 110098224, 126409072, 142210206, 165147336, 189613608, 213315309, 220196448, 252818144, 284420412, 330294672, 379227216, 426630618, 568840824, 639945927, 660589344, 758454432, 853261236, 1137681648, 1279891854, 1706522472, 2275363296, 2559783708, 3413044944, 5119567416, 6826089888, 10239134832, 20478269664]

約数ペア:

[(1, 20478269664), (2, 10239134832), (3, 6826089888), (4, 5119567416), (6, 3413044944), (8, 2559783708), (9, 2275363296), (12, 1706522472), (16, 1279891854), (18, 1137681648), (24, 853261236), (27, 758454432), (31, 660589344), (32, 639945927), (36, 568840824), (48, 426630618), (54, 379227216), (62, 330294672), (72, 284420412), (81, 252818144), (93, 220196448), (96, 213315309), (108, 189613608), (124, 165147336), (144, 142210206), (162, 126409072), (186, 110098224), (216, 94806804), (248, 82573668), (279, 73398816), (288, 71105103), (324, 63204536), (372, 55049112), (432, 47403402), (496, 41286834), (558, 36699408), (648, 31602268), (744, 27524556), (837, 24466272), (864, 23701701), (992, 20643417), (1116, 18349704), (1296, 15801134), (1488, 13762278), (1674, 12233136), (2232, 9174852), (2511, 8155424), (2592, 7900567), (2976, 6881139), (3348, 6116568), (4464, 4587426), (5022, 4077712), (6696, 3058284), (8928, 2293713), (10044, 2038856), (13392, 1529142), (20088, 1019428), (26784, 764571), (40176, 509714), (80352, 254857)]