20692672

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:79

約数の個数: 224

約数和(自身を含む): 61447680

約数和(自身を除く): 40755008

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 17, 19, 22, 26, 28, 32, 34, 38, 44, 52, 56, 64, 68, 76, 77, 88, 91, 104, 112, 119, 133, 136, 143, 152, 154, 176, 182, 187, 208, 209, 221, 224, 238, 247, 266, 272, 286, 304, 308, 323, 352, 364, 374, 416, 418, 442, 448, 476, 494, 532, 544, 572, 608, 616, 646, 704, 728, 748, 832, 836, 884, 952, 988, 1001, 1064, 1088, 1144, 1216, 1232, 1292, 1309, 1456, 1463, 1496, 1547, 1672, 1729, 1768, 1904, 1976, 2002, 2128, 2261, 2288, 2431, 2464, 2584, 2618, 2717, 2912, 2926, 2992, 3094, 3344, 3458, 3536, 3553, 3808, 3952, 4004, 4199, 4256, 4522, 4576, 4862, 4928, 5168, 5236, 5434, 5824, 5852, 5984, 6188, 6688, 6916, 7072, 7106, 7616, 7904, 8008, 8398, 8512, 9044, 9152, 9724, 10336, 10472, 10868, 11704, 11968, 12376, 13376, 13832, 14144, 14212, 15808, 16016, 16796, 17017, 18088, 19019, 19448, 20672, 20944, 21736, 23408, 24752, 24871, 27664, 28424, 29393, 32032, 33592, 34034, 36176, 38038, 38896, 41888, 43472, 46189, 46816, 49504, 49742, 55328, 56848, 58786, 64064, 67184, 68068, 72352, 76076, 77792, 83776, 86944, 92378, 93632, 99008, 99484, 110656, 113696, 117572, 134368, 136136, 144704, 152152, 155584, 173888, 184756, 198968, 227392, 235144, 268736, 272272, 304304, 323323, 369512, 397936, 470288, 544544, 608608, 646646, 739024, 795872, 940576, 1089088, 1217216, 1293292, 1478048, 1591744, 1881152, 2586584, 2956096, 5173168, 10346336, 20692672]

約数ペア:

[(1, 20692672), (2, 10346336), (4, 5173168), (7, 2956096), (8, 2586584), (11, 1881152), (13, 1591744), (14, 1478048), (16, 1293292), (17, 1217216), (19, 1089088), (22, 940576), (26, 795872), (28, 739024), (32, 646646), (34, 608608), (38, 544544), (44, 470288), (52, 397936), (56, 369512), (64, 323323), (68, 304304), (76, 272272), (77, 268736), (88, 235144), (91, 227392), (104, 198968), (112, 184756), (119, 173888), (133, 155584), (136, 152152), (143, 144704), (152, 136136), (154, 134368), (176, 117572), (182, 113696), (187, 110656), (208, 99484), (209, 99008), (221, 93632), (224, 92378), (238, 86944), (247, 83776), (266, 77792), (272, 76076), (286, 72352), (304, 68068), (308, 67184), (323, 64064), (352, 58786), (364, 56848), (374, 55328), (416, 49742), (418, 49504), (442, 46816), (448, 46189), (476, 43472), (494, 41888), (532, 38896), (544, 38038), (572, 36176), (608, 34034), (616, 33592), (646, 32032), (704, 29393), (728, 28424), (748, 27664), (832, 24871), (836, 24752), (884, 23408), (952, 21736), (988, 20944), (1001, 20672), (1064, 19448), (1088, 19019), (1144, 18088), (1216, 17017), (1232, 16796), (1292, 16016), (1309, 15808), (1456, 14212), (1463, 14144), (1496, 13832), (1547, 13376), (1672, 12376), (1729, 11968), (1768, 11704), (1904, 10868), (1976, 10472), (2002, 10336), (2128, 9724), (2261, 9152), (2288, 9044), (2431, 8512), (2464, 8398), (2584, 8008), (2618, 7904), (2717, 7616), (2912, 7106), (2926, 7072), (2992, 6916), (3094, 6688), (3344, 6188), (3458, 5984), (3536, 5852), (3553, 5824), (3808, 5434), (3952, 5236), (4004, 5168), (4199, 4928), (4256, 4862), (4522, 4576)]