20542950477

素因数分解:

$3^2\times 7^1\times {\mathrm{607}}^1\times {\mathrm{537197}}^1$

素因数の和:537817

約数の個数: 24

約数和(自身を含む): 33968103936

約数和(自身を除く): 13425153459

約数列:

[1, 3, 7, 9, 21, 63, 607, 1821, 4249, 5463, 12747, 38241, 537197, 1611591, 3760379, 4834773, 11281137, 33843411, 326078579, 978235737, 2282550053, 2934707211, 6847650159, 20542950477]

約数ペア:

[(1, 20542950477), (3, 6847650159), (7, 2934707211), (9, 2282550053), (21, 978235737), (63, 326078579), (607, 33843411), (1821, 11281137), (4249, 4834773), (5463, 3760379), (12747, 1611591), (38241, 537197)]