20368982016

素因数分解:

$2^{17}\times 3^2\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:628

約数の個数: 216

約数和(自身を含む): 60850730304

約数和(自身を除く): 40481748288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 128, 144, 186, 192, 248, 256, 279, 288, 372, 384, 496, 512, 557, 558, 576, 744, 768, 992, 1024, 1114, 1116, 1152, 1488, 1536, 1671, 1984, 2048, 2228, 2232, 2304, 2976, 3072, 3342, 3968, 4096, 4456, 4464, 4608, 5013, 5952, 6144, 6684, 7936, 8192, 8912, 8928, 9216, 10026, 11904, 12288, 13368, 15872, 16384, 17267, 17824, 17856, 18432, 20052, 23808, 24576, 26736, 31744, 32768, 34534, 35648, 35712, 36864, 40104, 47616, 49152, 51801, 53472, 63488, 65536, 69068, 71296, 71424, 73728, 80208, 95232, 98304, 103602, 106944, 126976, 131072, 138136, 142592, 142848, 147456, 155403, 160416, 190464, 196608, 207204, 213888, 253952, 276272, 285184, 285696, 294912, 310806, 320832, 380928, 393216, 414408, 427776, 507904, 552544, 570368, 571392, 589824, 621612, 641664, 761856, 828816, 855552, 1015808, 1105088, 1140736, 1142784, 1179648, 1243224, 1283328, 1523712, 1657632, 1711104, 2031616, 2210176, 2281472, 2285568, 2486448, 2566656, 3047424, 3315264, 3422208, 4063232, 4420352, 4562944, 4571136, 4972896, 5133312, 6094848, 6630528, 6844416, 8840704, 9125888, 9142272, 9945792, 10266624, 12189696, 13261056, 13688832, 17681408, 18251776, 18284544, 19891584, 20533248, 26522112, 27377664, 35362816, 36503552, 36569088, 39783168, 41066496, 53044224, 54755328, 70725632, 73007104, 79566336, 82132992, 106088448, 109510656, 141451264, 159132672, 164265984, 212176896, 219021312, 282902528, 318265344, 328531968, 424353792, 565805056, 636530688, 657063936, 848707584, 1131610112, 1273061376, 1697415168, 2263220224, 2546122752, 3394830336, 5092245504, 6789660672, 10184491008, 20368982016]

約数ペア:

[(1, 20368982016), (2, 10184491008), (3, 6789660672), (4, 5092245504), (6, 3394830336), (8, 2546122752), (9, 2263220224), (12, 1697415168), (16, 1273061376), (18, 1131610112), (24, 848707584), (31, 657063936), (32, 636530688), (36, 565805056), (48, 424353792), (62, 328531968), (64, 318265344), (72, 282902528), (93, 219021312), (96, 212176896), (124, 164265984), (128, 159132672), (144, 141451264), (186, 109510656), (192, 106088448), (248, 82132992), (256, 79566336), (279, 73007104), (288, 70725632), (372, 54755328), (384, 53044224), (496, 41066496), (512, 39783168), (557, 36569088), (558, 36503552), (576, 35362816), (744, 27377664), (768, 26522112), (992, 20533248), (1024, 19891584), (1114, 18284544), (1116, 18251776), (1152, 17681408), (1488, 13688832), (1536, 13261056), (1671, 12189696), (1984, 10266624), (2048, 9945792), (2228, 9142272), (2232, 9125888), (2304, 8840704), (2976, 6844416), (3072, 6630528), (3342, 6094848), (3968, 5133312), (4096, 4972896), (4456, 4571136), (4464, 4562944), (4608, 4420352), (5013, 4063232), (5952, 3422208), (6144, 3315264), (6684, 3047424), (7936, 2566656), (8192, 2486448), (8912, 2285568), (8928, 2281472), (9216, 2210176), (10026, 2031616), (11904, 1711104), (12288, 1657632), (13368, 1523712), (15872, 1283328), (16384, 1243224), (17267, 1179648), (17824, 1142784), (17856, 1140736), (18432, 1105088), (20052, 1015808), (23808, 855552), (24576, 828816), (26736, 761856), (31744, 641664), (32768, 621612), (34534, 589824), (35648, 571392), (35712, 570368), (36864, 552544), (40104, 507904), (47616, 427776), (49152, 414408), (51801, 393216), (53472, 380928), (63488, 320832), (65536, 310806), (69068, 294912), (71296, 285696), (71424, 285184), (73728, 276272), (80208, 253952), (95232, 213888), (98304, 207204), (103602, 196608), (106944, 190464), (126976, 160416), (131072, 155403), (138136, 147456), (142592, 142848)]