20496142017

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{907}}^1\times {\mathrm{64381}}^1$

素因数の和:65310

約数の個数: 32

約数和(自身を含む): 32736959360

約数和(自身を除く): 12240817343

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 907, 2721, 8163, 11791, 24489, 35373, 64381, 106119, 193143, 318357, 579429, 836953, 1738287, 2510859, 7532577, 22597731, 58393567, 175180701, 525542103, 759116371, 1576626309, 2277349113, 6832047339, 20496142017]

約数ペア:

[(1, 20496142017), (3, 6832047339), (9, 2277349113), (13, 1576626309), (27, 759116371), (39, 525542103), (117, 175180701), (351, 58393567), (907, 22597731), (2721, 7532577), (8163, 2510859), (11791, 1738287), (24489, 836953), (35373, 579429), (64381, 318357), (106119, 193143)]