20510894

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:304

約数の個数: 32

約数和(自身を含む): 33592320

約数和(自身を除く): 13081426

約数列:

[1, 2, 23, 46, 47, 53, 94, 106, 179, 358, 1081, 1219, 2162, 2438, 2491, 4117, 4982, 8234, 8413, 9487, 16826, 18974, 57293, 114586, 193499, 218201, 386998, 436402, 445889, 891778, 10255447, 20510894]

約数ペア:

[(1, 20510894), (2, 10255447), (23, 891778), (46, 445889), (47, 436402), (53, 386998), (94, 218201), (106, 193499), (179, 114586), (358, 57293), (1081, 18974), (1219, 16826), (2162, 9487), (2438, 8413), (2491, 8234), (4117, 4982)]