20415296

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{617}}^1$

素因数の和:687

約数の個数: 56

約数和(自身を含む): 45207936

約数和(自身を除く): 24792640

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 47, 64, 88, 94, 176, 188, 352, 376, 517, 617, 704, 752, 1034, 1234, 1504, 2068, 2468, 3008, 4136, 4936, 6787, 8272, 9872, 13574, 16544, 19744, 27148, 28999, 33088, 39488, 54296, 57998, 108592, 115996, 217184, 231992, 318989, 434368, 463984, 637978, 927968, 1275956, 1855936, 2551912, 5103824, 10207648, 20415296]

約数ペア:

[(1, 20415296), (2, 10207648), (4, 5103824), (8, 2551912), (11, 1855936), (16, 1275956), (22, 927968), (32, 637978), (44, 463984), (47, 434368), (64, 318989), (88, 231992), (94, 217184), (176, 115996), (188, 108592), (352, 57998), (376, 54296), (517, 39488), (617, 33088), (704, 28999), (752, 27148), (1034, 19744), (1234, 16544), (1504, 13574), (2068, 9872), (2468, 8272), (3008, 6787), (4136, 4936)]