20119407

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{347}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 33675264

約数和(自身を除く): 13555857

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 251, 347, 753, 1041, 1757, 2429, 2761, 3817, 5271, 7287, 8283, 11451, 19327, 26719, 57981, 80157, 87097, 261291, 609679, 958067, 1829037, 2874201, 6706469, 20119407]

約数ペア:

[(1, 20119407), (3, 6706469), (7, 2874201), (11, 1829037), (21, 958067), (33, 609679), (77, 261291), (231, 87097), (251, 80157), (347, 57981), (753, 26719), (1041, 19327), (1757, 11451), (2429, 8283), (2761, 7287), (3817, 5271)]