20451004

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{13781}}^1$

素因数の和:13845

約数の個数: 24

約数和(自身を含む): 41676768

約数和(自身を除く): 21225764

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 13781, 27562, 55124, 96467, 192934, 385868, 730393, 1460786, 2921572, 5112751, 10225502, 20451004]

約数ペア:

[(1, 20451004), (2, 10225502), (4, 5112751), (7, 2921572), (14, 1460786), (28, 730393), (53, 385868), (106, 192934), (212, 96467), (371, 55124), (742, 27562), (1484, 13781)]