20887305

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{811}}^1$

素因数の和:937

約数の個数: 32

約数和(自身を含む): 35779968

約数和(自身を除く): 14892663

約数列:

[1, 3, 5, 15, 17, 51, 85, 101, 255, 303, 505, 811, 1515, 1717, 2433, 4055, 5151, 8585, 12165, 13787, 25755, 41361, 68935, 81911, 206805, 245733, 409555, 1228665, 1392487, 4177461, 6962435, 20887305]

約数ペア:

[(1, 20887305), (3, 6962435), (5, 4177461), (15, 1392487), (17, 1228665), (51, 409555), (85, 245733), (101, 206805), (255, 81911), (303, 68935), (505, 41361), (811, 25755), (1515, 13787), (1717, 12165), (2433, 8585), (4055, 5151)]