20843328

素因数分解:

$2^6\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:236

約数の個数: 112

約数和(自身を含む): 61447680

約数和(自身を除く): 40604352

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 71, 88, 96, 132, 139, 142, 176, 192, 213, 264, 278, 284, 352, 417, 426, 528, 556, 568, 704, 781, 834, 852, 1056, 1112, 1136, 1529, 1562, 1668, 1704, 2112, 2224, 2272, 2343, 3058, 3124, 3336, 3408, 4448, 4544, 4587, 4686, 6116, 6248, 6672, 6816, 8896, 9174, 9372, 9869, 12232, 12496, 13344, 13632, 18348, 18744, 19738, 24464, 24992, 26688, 29607, 36696, 37488, 39476, 48928, 49984, 59214, 73392, 74976, 78952, 97856, 108559, 118428, 146784, 149952, 157904, 217118, 236856, 293568, 315808, 325677, 434236, 473712, 631616, 651354, 868472, 947424, 1302708, 1736944, 1894848, 2605416, 3473888, 5210832, 6947776, 10421664, 20843328]

約数ペア:

[(1, 20843328), (2, 10421664), (3, 6947776), (4, 5210832), (6, 3473888), (8, 2605416), (11, 1894848), (12, 1736944), (16, 1302708), (22, 947424), (24, 868472), (32, 651354), (33, 631616), (44, 473712), (48, 434236), (64, 325677), (66, 315808), (71, 293568), (88, 236856), (96, 217118), (132, 157904), (139, 149952), (142, 146784), (176, 118428), (192, 108559), (213, 97856), (264, 78952), (278, 74976), (284, 73392), (352, 59214), (417, 49984), (426, 48928), (528, 39476), (556, 37488), (568, 36696), (704, 29607), (781, 26688), (834, 24992), (852, 24464), (1056, 19738), (1112, 18744), (1136, 18348), (1529, 13632), (1562, 13344), (1668, 12496), (1704, 12232), (2112, 9869), (2224, 9372), (2272, 9174), (2343, 8896), (3058, 6816), (3124, 6672), (3336, 6248), (3408, 6116), (4448, 4686), (4544, 4587)]