20683148

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 39580800

約数和(自身を除く): 18897652

約数列:

[1, 2, 4, 29, 37, 58, 61, 74, 79, 116, 122, 148, 158, 244, 316, 1073, 1769, 2146, 2257, 2291, 2923, 3538, 4292, 4514, 4582, 4819, 5846, 7076, 9028, 9164, 9638, 11692, 19276, 65453, 84767, 130906, 139751, 169534, 178303, 261812, 279502, 339068, 356606, 559004, 713212, 5170787, 10341574, 20683148]

約数ペア:

[(1, 20683148), (2, 10341574), (4, 5170787), (29, 713212), (37, 559004), (58, 356606), (61, 339068), (74, 279502), (79, 261812), (116, 178303), (122, 169534), (148, 139751), (158, 130906), (244, 84767), (316, 65453), (1073, 19276), (1769, 11692), (2146, 9638), (2257, 9164), (2291, 9028), (2923, 7076), (3538, 5846), (4292, 4819), (4514, 4582)]