20749248

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:211

約数の個数: 168

約数和(自身を含む): 68232528

約数和(自身を除く): 47483280

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 32, 34, 36, 39, 48, 51, 52, 64, 68, 72, 78, 96, 102, 104, 117, 136, 144, 153, 156, 163, 192, 204, 208, 221, 234, 272, 288, 306, 312, 326, 408, 416, 442, 468, 489, 544, 576, 612, 624, 652, 663, 816, 832, 884, 936, 978, 1088, 1224, 1248, 1304, 1326, 1467, 1632, 1768, 1872, 1956, 1989, 2119, 2448, 2496, 2608, 2652, 2771, 2934, 3264, 3536, 3744, 3912, 3978, 4238, 4896, 5216, 5304, 5542, 5868, 6357, 7072, 7488, 7824, 7956, 8313, 8476, 9792, 10432, 10608, 11084, 11736, 12714, 14144, 15648, 15912, 16626, 16952, 19071, 21216, 22168, 23472, 24939, 25428, 31296, 31824, 33252, 33904, 36023, 38142, 42432, 44336, 46944, 49878, 50856, 63648, 66504, 67808, 72046, 76284, 88672, 93888, 99756, 101712, 108069, 127296, 133008, 135616, 144092, 152568, 177344, 199512, 203424, 216138, 266016, 288184, 305136, 324207, 399024, 406848, 432276, 532032, 576368, 610272, 648414, 798048, 864552, 1152736, 1220544, 1296828, 1596096, 1729104, 2305472, 2593656, 3458208, 5187312, 6916416, 10374624, 20749248]

約数ペア:

[(1, 20749248), (2, 10374624), (3, 6916416), (4, 5187312), (6, 3458208), (8, 2593656), (9, 2305472), (12, 1729104), (13, 1596096), (16, 1296828), (17, 1220544), (18, 1152736), (24, 864552), (26, 798048), (32, 648414), (34, 610272), (36, 576368), (39, 532032), (48, 432276), (51, 406848), (52, 399024), (64, 324207), (68, 305136), (72, 288184), (78, 266016), (96, 216138), (102, 203424), (104, 199512), (117, 177344), (136, 152568), (144, 144092), (153, 135616), (156, 133008), (163, 127296), (192, 108069), (204, 101712), (208, 99756), (221, 93888), (234, 88672), (272, 76284), (288, 72046), (306, 67808), (312, 66504), (326, 63648), (408, 50856), (416, 49878), (442, 46944), (468, 44336), (489, 42432), (544, 38142), (576, 36023), (612, 33904), (624, 33252), (652, 31824), (663, 31296), (816, 25428), (832, 24939), (884, 23472), (936, 22168), (978, 21216), (1088, 19071), (1224, 16952), (1248, 16626), (1304, 15912), (1326, 15648), (1467, 14144), (1632, 12714), (1768, 11736), (1872, 11084), (1956, 10608), (1989, 10432), (2119, 9792), (2448, 8476), (2496, 8313), (2608, 7956), (2652, 7824), (2771, 7488), (2934, 7072), (3264, 6357), (3536, 5868), (3744, 5542), (3912, 5304), (3978, 5216), (4238, 4896)]