20527568

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{463}}^1$

素因数の和:651

約数の個数: 40

約数和(自身を含む): 42461568

約数和(自身を除く): 21934000

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 163, 272, 326, 463, 652, 926, 1304, 1852, 2608, 2771, 3704, 5542, 7408, 7871, 11084, 15742, 22168, 31484, 44336, 62968, 75469, 125936, 150938, 301876, 603752, 1207504, 1282973, 2565946, 5131892, 10263784, 20527568]

約数ペア:

[(1, 20527568), (2, 10263784), (4, 5131892), (8, 2565946), (16, 1282973), (17, 1207504), (34, 603752), (68, 301876), (136, 150938), (163, 125936), (272, 75469), (326, 62968), (463, 44336), (652, 31484), (926, 22168), (1304, 15742), (1852, 11084), (2608, 7871), (2771, 7408), (3704, 5542)]