20139392

素因数分解:

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

素因数の和:73

約数の個数: 144

約数和(自身を含む): 53198100

約数和(自身を除く): 33058708

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 49, 52, 56, 64, 76, 91, 98, 104, 112, 128, 133, 152, 169, 182, 196, 208, 224, 247, 266, 304, 338, 364, 392, 416, 448, 494, 532, 608, 637, 676, 728, 784, 832, 896, 931, 988, 1064, 1183, 1216, 1274, 1352, 1456, 1568, 1664, 1729, 1862, 1976, 2128, 2366, 2432, 2548, 2704, 2912, 3136, 3211, 3458, 3724, 3952, 4256, 4732, 5096, 5408, 5824, 6272, 6422, 6916, 7448, 7904, 8281, 8512, 9464, 10192, 10816, 11648, 12103, 12844, 13832, 14896, 15808, 16562, 17024, 18928, 20384, 21632, 22477, 24206, 25688, 27664, 29792, 31616, 33124, 37856, 40768, 44954, 48412, 51376, 55328, 59584, 66248, 75712, 81536, 89908, 96824, 102752, 110656, 119168, 132496, 151424, 157339, 179816, 193648, 205504, 221312, 264992, 314678, 359632, 387296, 411008, 529984, 629356, 719264, 774592, 1059968, 1258712, 1438528, 1549184, 2517424, 2877056, 5034848, 10069696, 20139392]

約数ペア:

[(1, 20139392), (2, 10069696), (4, 5034848), (7, 2877056), (8, 2517424), (13, 1549184), (14, 1438528), (16, 1258712), (19, 1059968), (26, 774592), (28, 719264), (32, 629356), (38, 529984), (49, 411008), (52, 387296), (56, 359632), (64, 314678), (76, 264992), (91, 221312), (98, 205504), (104, 193648), (112, 179816), (128, 157339), (133, 151424), (152, 132496), (169, 119168), (182, 110656), (196, 102752), (208, 96824), (224, 89908), (247, 81536), (266, 75712), (304, 66248), (338, 59584), (364, 55328), (392, 51376), (416, 48412), (448, 44954), (494, 40768), (532, 37856), (608, 33124), (637, 31616), (676, 29792), (728, 27664), (784, 25688), (832, 24206), (896, 22477), (931, 21632), (988, 20384), (1064, 18928), (1183, 17024), (1216, 16562), (1274, 15808), (1352, 14896), (1456, 13832), (1568, 12844), (1664, 12103), (1729, 11648), (1862, 10816), (1976, 10192), (2128, 9464), (2366, 8512), (2432, 8281), (2548, 7904), (2704, 7448), (2912, 6916), (3136, 6422), (3211, 6272), (3458, 5824), (3724, 5408), (3952, 5096), (4256, 4732)]