20804151382

素因数分解:

$2^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{80933}}^1$

素因数の和:81053

約数の個数: 48

約数和(自身を含む): 37754739792

約数和(自身を除く): 16950588410

約数列:

[1, 2, 7, 14, 43, 49, 61, 86, 98, 122, 301, 427, 602, 854, 2107, 2623, 2989, 4214, 5246, 5978, 18361, 36722, 80933, 128527, 161866, 257054, 566531, 1133062, 3480119, 3965717, 4936913, 6960238, 7931434, 9873826, 24360833, 34558391, 48721666, 69116782, 170525831, 212287259, 241908737, 341051662, 424574518, 483817474, 1486010813, 2972021626, 10402075691, 20804151382]

約数ペア:

[(1, 20804151382), (2, 10402075691), (7, 2972021626), (14, 1486010813), (43, 483817474), (49, 424574518), (61, 341051662), (86, 241908737), (98, 212287259), (122, 170525831), (301, 69116782), (427, 48721666), (602, 34558391), (854, 24360833), (2107, 9873826), (2623, 7931434), (2989, 6960238), (4214, 4936913), (5246, 3965717), (5978, 3480119), (18361, 1133062), (36722, 566531), (80933, 257054), (128527, 161866)]