20139876

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{11903}}^1$

素因数の和:11960

約数の個数: 36

約数和(自身を含む): 51996672

約数和(自身を除く): 31856796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 564, 846, 1692, 11903, 23806, 35709, 47612, 71418, 107127, 142836, 214254, 428508, 559441, 1118882, 1678323, 2237764, 3356646, 5034969, 6713292, 10069938, 20139876]

約数ペア:

[(1, 20139876), (2, 10069938), (3, 6713292), (4, 5034969), (6, 3356646), (9, 2237764), (12, 1678323), (18, 1118882), (36, 559441), (47, 428508), (94, 214254), (141, 142836), (188, 107127), (282, 71418), (423, 47612), (564, 35709), (846, 23806), (1692, 11903)]