20689851168

素因数分解:

$2^5\times 3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{56081}}^1$

素因数の和:56168

約数の個数: 192

約数和(自身を含む): 70098013440

約数和(自身を除く): 49408162272

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 61, 63, 72, 84, 96, 108, 112, 122, 126, 144, 168, 183, 189, 216, 224, 244, 252, 288, 336, 366, 378, 427, 432, 488, 504, 549, 672, 732, 756, 854, 864, 976, 1008, 1098, 1281, 1464, 1512, 1647, 1708, 1952, 2016, 2196, 2562, 2928, 3024, 3294, 3416, 3843, 4392, 5124, 5856, 6048, 6588, 6832, 7686, 8784, 10248, 11529, 13176, 13664, 15372, 17568, 20496, 23058, 26352, 30744, 40992, 46116, 52704, 56081, 61488, 92232, 112162, 122976, 168243, 184464, 224324, 336486, 368928, 392567, 448648, 504729, 672972, 785134, 897296, 1009458, 1177701, 1345944, 1514187, 1570268, 1794592, 2018916, 2355402, 2691888, 3028374, 3140536, 3420941, 3533103, 4037832, 4710804, 5383776, 6056748, 6281072, 6841882, 7066206, 8075664, 9421608, 10262823, 10599309, 12113496, 12562144, 13683764, 14132412, 16151328, 18843216, 20525646, 21198618, 23946587, 24226992, 27367528, 28264824, 30788469, 37686432, 41051292, 42397236, 47893174, 48453984, 54735056, 56529648, 61576938, 71839761, 82102584, 84794472, 92365407, 95786348, 109470112, 113059296, 123153876, 143679522, 164205168, 169588944, 184730814, 191572696, 215519283, 246307752, 287359044, 328410336, 339177888, 369461628, 383145392, 431038566, 492615504, 574718088, 646557849, 738923256, 766290784, 862077132, 985231008, 1149436176, 1293115698, 1477846512, 1724154264, 2298872352, 2586231396, 2955693024, 3448308528, 5172462792, 6896617056, 10344925584, 20689851168]

約数ペア:

[(1, 20689851168), (2, 10344925584), (3, 6896617056), (4, 5172462792), (6, 3448308528), (7, 2955693024), (8, 2586231396), (9, 2298872352), (12, 1724154264), (14, 1477846512), (16, 1293115698), (18, 1149436176), (21, 985231008), (24, 862077132), (27, 766290784), (28, 738923256), (32, 646557849), (36, 574718088), (42, 492615504), (48, 431038566), (54, 383145392), (56, 369461628), (61, 339177888), (63, 328410336), (72, 287359044), (84, 246307752), (96, 215519283), (108, 191572696), (112, 184730814), (122, 169588944), (126, 164205168), (144, 143679522), (168, 123153876), (183, 113059296), (189, 109470112), (216, 95786348), (224, 92365407), (244, 84794472), (252, 82102584), (288, 71839761), (336, 61576938), (366, 56529648), (378, 54735056), (427, 48453984), (432, 47893174), (488, 42397236), (504, 41051292), (549, 37686432), (672, 30788469), (732, 28264824), (756, 27367528), (854, 24226992), (864, 23946587), (976, 21198618), (1008, 20525646), (1098, 18843216), (1281, 16151328), (1464, 14132412), (1512, 13683764), (1647, 12562144), (1708, 12113496), (1952, 10599309), (2016, 10262823), (2196, 9421608), (2562, 8075664), (2928, 7066206), (3024, 6841882), (3294, 6281072), (3416, 6056748), (3843, 5383776), (4392, 4710804), (5124, 4037832), (5856, 3533103), (6048, 3420941), (6588, 3140536), (6832, 3028374), (7686, 2691888), (8784, 2355402), (10248, 2018916), (11529, 1794592), (13176, 1570268), (13664, 1514187), (15372, 1345944), (17568, 1177701), (20496, 1009458), (23058, 897296), (26352, 785134), (30744, 672972), (40992, 504729), (46116, 448648), (52704, 392567), (56081, 368928), (61488, 336486), (92232, 224324), (112162, 184464), (122976, 168243)]