20588722

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:367

約数の個数: 48

約数和(自身を含む): 39890880

約数和(自身を除く): 19302158

約数列:

[1, 2, 7, 11, 14, 22, 49, 71, 77, 98, 142, 154, 269, 497, 538, 539, 781, 994, 1078, 1562, 1883, 2959, 3479, 3766, 5467, 5918, 6958, 10934, 13181, 19099, 20713, 26362, 38198, 38269, 41426, 76538, 133693, 144991, 210089, 267386, 289982, 420178, 935851, 1470623, 1871702, 2941246, 10294361, 20588722]

約数ペア:

[(1, 20588722), (2, 10294361), (7, 2941246), (11, 1871702), (14, 1470623), (22, 935851), (49, 420178), (71, 289982), (77, 267386), (98, 210089), (142, 144991), (154, 133693), (269, 76538), (497, 41426), (538, 38269), (539, 38198), (781, 26362), (994, 20713), (1078, 19099), (1562, 13181), (1883, 10934), (2959, 6958), (3479, 5918), (3766, 5467)]