20837356

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 39997440

約数和(自身を除く): 19160084

約数列:

[1, 2, 4, 23, 46, 47, 61, 79, 92, 94, 122, 158, 188, 244, 316, 1081, 1403, 1817, 2162, 2806, 2867, 3634, 3713, 4324, 4819, 5612, 5734, 7268, 7426, 9638, 11468, 14852, 19276, 65941, 85399, 110837, 131882, 170798, 221674, 226493, 263764, 341596, 443348, 452986, 905972, 5209339, 10418678, 20837356]

約数ペア:

[(1, 20837356), (2, 10418678), (4, 5209339), (23, 905972), (46, 452986), (47, 443348), (61, 341596), (79, 263764), (92, 226493), (94, 221674), (122, 170798), (158, 131882), (188, 110837), (244, 85399), (316, 65941), (1081, 19276), (1403, 14852), (1817, 11468), (2162, 9638), (2806, 7426), (2867, 7268), (3634, 5734), (3713, 5612), (4324, 4819)]