20943321

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{607}}^1$

素因数の和:701

約数の個数: 32

約数和(自身を含む): 33619968

約数和(自身を除く): 12676647

約数列:

[1, 3, 7, 21, 31, 53, 93, 159, 217, 371, 607, 651, 1113, 1643, 1821, 4249, 4929, 11501, 12747, 18817, 32171, 34503, 56451, 96513, 131719, 225197, 395157, 675591, 997301, 2991903, 6981107, 20943321]

約数ペア:

[(1, 20943321), (3, 6981107), (7, 2991903), (21, 997301), (31, 675591), (53, 395157), (93, 225197), (159, 131719), (217, 96513), (371, 56451), (607, 34503), (651, 32171), (1113, 18817), (1643, 12747), (1821, 11501), (4249, 4929)]