20685549599

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{47381}}^1$

素因数の和:47519

約数の個数: 32

約数和(自身を含む): 25217837568

約数和(自身を除く): 4532287969

約数列:

[1, 11, 13, 43, 71, 143, 473, 559, 781, 923, 3053, 6149, 10153, 33583, 39689, 47381, 436579, 521191, 615953, 2037383, 3364051, 6775483, 22411213, 26485979, 37004561, 43732663, 144654193, 291345769, 481059293, 1591196123, 1880504509, 20685549599]

約数ペア:

[(1, 20685549599), (11, 1880504509), (13, 1591196123), (43, 481059293), (71, 291345769), (143, 144654193), (473, 43732663), (559, 37004561), (781, 26485979), (923, 22411213), (3053, 6775483), (6149, 3364051), (10153, 2037383), (33583, 615953), (39689, 521191), (47381, 436579)]