20285909277

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{291829}}^1$

素因数の和:291925

約数の個数: 32

約数和(自身を含む): 30256934400

約数和(自身を除く): 9971025123

約数列:

[1, 3, 17, 29, 47, 51, 87, 141, 493, 799, 1363, 1479, 2397, 4089, 23171, 69513, 291829, 875487, 4961093, 8463041, 13715963, 14883279, 25389123, 41147889, 143871697, 233171371, 397762927, 431615091, 699514113, 1193288781, 6761969759, 20285909277]

約数ペア:

[(1, 20285909277), (3, 6761969759), (17, 1193288781), (29, 699514113), (47, 431615091), (51, 397762927), (87, 233171371), (141, 143871697), (493, 41147889), (799, 25389123), (1363, 14883279), (1479, 13715963), (2397, 8463041), (4089, 4961093), (23171, 875487), (69513, 291829)]