20574532

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{9949}}^1$

素因数の和:10011

約数の個数: 24

約数和(自身を含む): 40118400

約数和(自身を除く): 19543868

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 517, 1034, 2068, 9949, 19898, 39796, 109439, 218878, 437756, 467603, 935206, 1870412, 5143633, 10287266, 20574532]

約数ペア:

[(1, 20574532), (2, 10287266), (4, 5143633), (11, 1870412), (22, 935206), (44, 467603), (47, 437756), (94, 218878), (188, 109439), (517, 39796), (1034, 19898), (2068, 9949)]