20737893

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 31352832

約数和(自身を除く): 10614939

約数列:

[1, 3, 11, 33, 53, 71, 159, 167, 213, 501, 583, 781, 1749, 1837, 2343, 3763, 5511, 8851, 11289, 11857, 26553, 35571, 41393, 97361, 124179, 130427, 292083, 391281, 628421, 1885263, 6912631, 20737893]

約数ペア:

[(1, 20737893), (3, 6912631), (11, 1885263), (33, 628421), (53, 391281), (71, 292083), (159, 130427), (167, 124179), (213, 97361), (501, 41393), (583, 35571), (781, 26553), (1749, 11857), (1837, 11289), (2343, 8851), (3763, 5511)]