20457818

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{9533}}^1$

素因数の和:9601

約数の個数: 16

約数和(自身を含む): 32606280

約数和(自身を除く): 12148462

約数列:

[1, 2, 29, 37, 58, 74, 1073, 2146, 9533, 19066, 276457, 352721, 552914, 705442, 10228909, 20457818]

約数ペア:

[(1, 20457818), (2, 10228909), (29, 705442), (37, 552914), (58, 352721), (74, 276457), (1073, 19066), (2146, 9533)]