20286651

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1657}}^1$

素因数の和:1731

約数の個数: 32

約数和(自身を含む): 34380288

約数和(自身を除く): 14093637

約数列:

[1, 3, 7, 11, 21, 33, 53, 77, 159, 231, 371, 583, 1113, 1657, 1749, 4081, 4971, 11599, 12243, 18227, 34797, 54681, 87821, 127589, 263463, 382767, 614747, 966031, 1844241, 2898093, 6762217, 20286651]

約数ペア:

[(1, 20286651), (3, 6762217), (7, 2898093), (11, 1844241), (21, 966031), (33, 614747), (53, 382767), (77, 263463), (159, 127589), (231, 87821), (371, 54681), (583, 34797), (1113, 18227), (1657, 12243), (1749, 11599), (4081, 4971)]