20789956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{5981}}^1$

素因数の和:6075

約数の個数: 24

約数和(自身を含む): 40199040

約数和(自身を除く): 19409084

約数列:

[1, 2, 4, 11, 22, 44, 79, 158, 316, 869, 1738, 3476, 5981, 11962, 23924, 65791, 131582, 263164, 472499, 944998, 1889996, 5197489, 10394978, 20789956]

約数ペア:

[(1, 20789956), (2, 10394978), (4, 5197489), (11, 1889996), (22, 944998), (44, 472499), (79, 263164), (158, 131582), (316, 65791), (869, 23924), (1738, 11962), (3476, 5981)]