20579584

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{4231}}^1$

素因数の和:4266

約数の個数: 36

約数和(自身を含む): 43251040

約数和(自身を除く): 22671456

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 2432, 4231, 4864, 8462, 16924, 33848, 67696, 80389, 135392, 160778, 270784, 321556, 541568, 643112, 1083136, 1286224, 2572448, 5144896, 10289792, 20579584]

約数ペア:

[(1, 20579584), (2, 10289792), (4, 5144896), (8, 2572448), (16, 1286224), (19, 1083136), (32, 643112), (38, 541568), (64, 321556), (76, 270784), (128, 160778), (152, 135392), (256, 80389), (304, 67696), (608, 33848), (1216, 16924), (2432, 8462), (4231, 4864)]