20802240935

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{239}}^1\times {\mathrm{383}}^1$

素因数の和:828

約数の個数: 64

約数和(自身を含む): 29585571840

約数和(自身を除く): 8783330905

約数列:

[1, 5, 7, 35, 43, 151, 215, 239, 301, 383, 755, 1057, 1195, 1505, 1673, 1915, 2681, 5285, 6493, 8365, 10277, 13405, 16469, 32465, 36089, 45451, 51385, 57833, 71939, 82345, 91537, 115283, 180445, 227255, 252623, 289165, 359695, 404831, 457685, 576415, 640759, 1263115, 1551827, 2024155, 2486819, 3203795, 3936091, 7759135, 10862789, 12434095, 13822087, 17407733, 19680455, 27552637, 54313945, 69110435, 87038665, 96754609, 137763185, 483773045, 594349741, 2971748705, 4160448187, 20802240935]

約数ペア:

[(1, 20802240935), (5, 4160448187), (7, 2971748705), (35, 594349741), (43, 483773045), (151, 137763185), (215, 96754609), (239, 87038665), (301, 69110435), (383, 54313945), (755, 27552637), (1057, 19680455), (1195, 17407733), (1505, 13822087), (1673, 12434095), (1915, 10862789), (2681, 7759135), (5285, 3936091), (6493, 3203795), (8365, 2486819), (10277, 2024155), (13405, 1551827), (16469, 1263115), (32465, 640759), (36089, 576415), (45451, 457685), (51385, 404831), (57833, 359695), (71939, 289165), (82345, 252623), (91537, 227255), (115283, 180445)]