20823484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{4423}}^1$

素因数の和:4545

約数の個数: 24

約数和(自身を含む): 40134528

約数和(自身を除く): 19311044

約数列:

[1, 2, 4, 11, 22, 44, 107, 214, 428, 1177, 2354, 4423, 4708, 8846, 17692, 48653, 97306, 194612, 473261, 946522, 1893044, 5205871, 10411742, 20823484]

約数ペア:

[(1, 20823484), (2, 10411742), (4, 5205871), (11, 1893044), (22, 946522), (44, 473261), (107, 194612), (214, 97306), (428, 48653), (1177, 17692), (2354, 8846), (4423, 4708)]