20218043752

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{2801}}^1\times {\mathrm{20983}}^1$

素因数の和:23833

約数の個数: 32

約数和(自身を含む): 38806130880

約数和(自身を除く): 18588087128

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 2801, 5602, 11204, 20983, 22408, 41966, 83932, 120443, 167864, 240886, 481772, 902269, 963544, 1804538, 3609076, 7218152, 58773383, 117546766, 235093532, 470187064, 2527255469, 5054510938, 10109021876, 20218043752]

約数ペア:

[(1, 20218043752), (2, 10109021876), (4, 5054510938), (8, 2527255469), (43, 470187064), (86, 235093532), (172, 117546766), (344, 58773383), (2801, 7218152), (5602, 3609076), (11204, 1804538), (20983, 963544), (22408, 902269), (41966, 481772), (83932, 240886), (120443, 167864)]