20927673

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{547}}^1$

素因数の和:678

約数の個数: 32

約数和(自身を含む): 33756800

約数和(自身を除く): 12829127

約数列:

[1, 3, 9, 13, 27, 39, 109, 117, 327, 351, 547, 981, 1417, 1641, 2943, 4251, 4923, 7111, 12753, 14769, 21333, 38259, 59623, 63999, 178869, 191997, 536607, 775099, 1609821, 2325297, 6975891, 20927673]

約数ペア:

[(1, 20927673), (3, 6975891), (9, 2325297), (13, 1609821), (27, 775099), (39, 536607), (109, 191997), (117, 178869), (327, 63999), (351, 59623), (547, 38259), (981, 21333), (1417, 14769), (1641, 12753), (2943, 7111), (4251, 4923)]