20781140136

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{463}}^1\times {\mathrm{4783}}^1$

素因数の和:5295

約数の個数: 128

約数和(自身を含む): 57536593920

約数和(自身を除く): 36755453784

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 23, 24, 34, 46, 51, 68, 69, 92, 102, 136, 138, 184, 204, 276, 391, 408, 463, 552, 782, 926, 1173, 1389, 1564, 1852, 2346, 2778, 3128, 3704, 4692, 4783, 5556, 7871, 9384, 9566, 10649, 11112, 14349, 15742, 19132, 21298, 23613, 28698, 31484, 31947, 38264, 42596, 47226, 57396, 62968, 63894, 81311, 85192, 94452, 110009, 114792, 127788, 162622, 181033, 188904, 220018, 243933, 255576, 325244, 330027, 362066, 440036, 487866, 543099, 650488, 660054, 724132, 880072, 975732, 1086198, 1320108, 1448264, 1870153, 1951464, 2172396, 2214529, 2640216, 3740306, 4344792, 4429058, 5610459, 6643587, 7480612, 8858116, 11220918, 13287174, 14961224, 17716232, 22441836, 26574348, 37646993, 44883672, 50934167, 53148696, 75293986, 101868334, 112940979, 150587972, 152802501, 203736668, 225881958, 301175944, 305605002, 407473336, 451763916, 611210004, 865880839, 903527832, 1222420008, 1731761678, 2597642517, 3463523356, 5195285034, 6927046712, 10390570068, 20781140136]

約数ペア:

[(1, 20781140136), (2, 10390570068), (3, 6927046712), (4, 5195285034), (6, 3463523356), (8, 2597642517), (12, 1731761678), (17, 1222420008), (23, 903527832), (24, 865880839), (34, 611210004), (46, 451763916), (51, 407473336), (68, 305605002), (69, 301175944), (92, 225881958), (102, 203736668), (136, 152802501), (138, 150587972), (184, 112940979), (204, 101868334), (276, 75293986), (391, 53148696), (408, 50934167), (463, 44883672), (552, 37646993), (782, 26574348), (926, 22441836), (1173, 17716232), (1389, 14961224), (1564, 13287174), (1852, 11220918), (2346, 8858116), (2778, 7480612), (3128, 6643587), (3704, 5610459), (4692, 4429058), (4783, 4344792), (5556, 3740306), (7871, 2640216), (9384, 2214529), (9566, 2172396), (10649, 1951464), (11112, 1870153), (14349, 1448264), (15742, 1320108), (19132, 1086198), (21298, 975732), (23613, 880072), (28698, 724132), (31484, 660054), (31947, 650488), (38264, 543099), (42596, 487866), (47226, 440036), (57396, 362066), (62968, 330027), (63894, 325244), (81311, 255576), (85192, 243933), (94452, 220018), (110009, 188904), (114792, 181033), (127788, 162622)]