20809296

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:201

約数の個数: 120

約数和(自身を含む): 62365056

約数和(自身を除く): 41555760

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 61, 69, 72, 92, 103, 122, 138, 144, 183, 184, 206, 207, 244, 276, 309, 366, 368, 412, 414, 488, 549, 552, 618, 732, 824, 828, 927, 976, 1098, 1104, 1236, 1403, 1464, 1648, 1656, 1854, 2196, 2369, 2472, 2806, 2928, 3312, 3708, 4209, 4392, 4738, 4944, 5612, 6283, 7107, 7416, 8418, 8784, 9476, 11224, 12566, 12627, 14214, 14832, 16836, 18849, 18952, 21321, 22448, 25132, 25254, 28428, 33672, 37698, 37904, 42642, 50264, 50508, 56547, 56856, 67344, 75396, 85284, 100528, 101016, 113094, 113712, 144509, 150792, 170568, 202032, 226188, 289018, 301584, 341136, 433527, 452376, 578036, 867054, 904752, 1156072, 1300581, 1734108, 2312144, 2601162, 3468216, 5202324, 6936432, 10404648, 20809296]

約数ペア:

[(1, 20809296), (2, 10404648), (3, 6936432), (4, 5202324), (6, 3468216), (8, 2601162), (9, 2312144), (12, 1734108), (16, 1300581), (18, 1156072), (23, 904752), (24, 867054), (36, 578036), (46, 452376), (48, 433527), (61, 341136), (69, 301584), (72, 289018), (92, 226188), (103, 202032), (122, 170568), (138, 150792), (144, 144509), (183, 113712), (184, 113094), (206, 101016), (207, 100528), (244, 85284), (276, 75396), (309, 67344), (366, 56856), (368, 56547), (412, 50508), (414, 50264), (488, 42642), (549, 37904), (552, 37698), (618, 33672), (732, 28428), (824, 25254), (828, 25132), (927, 22448), (976, 21321), (1098, 18952), (1104, 18849), (1236, 16836), (1403, 14832), (1464, 14214), (1648, 12627), (1656, 12566), (1854, 11224), (2196, 9476), (2369, 8784), (2472, 8418), (2806, 7416), (2928, 7107), (3312, 6283), (3708, 5612), (4209, 4944), (4392, 4738)]