20706014

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:680

約数の個数: 32

約数和(自身を含む): 37034496

約数和(自身を除く): 16328482

約数列:

[1, 2, 7, 14, 37, 71, 74, 142, 259, 497, 518, 563, 994, 1126, 2627, 3941, 5254, 7882, 18389, 20831, 36778, 39973, 41662, 79946, 145817, 279811, 291634, 559622, 1479001, 2958002, 10353007, 20706014]

約数ペア:

[(1, 20706014), (2, 10353007), (7, 2958002), (14, 1479001), (37, 559622), (71, 291634), (74, 279811), (142, 145817), (259, 79946), (497, 41662), (518, 39973), (563, 36778), (994, 20831), (1126, 18389), (2627, 7882), (3941, 5254)]