20700644

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{1009}}^1$

素因数の和:1259

約数の個数: 24

約数和(自身を含む): 38008320

約数和(自身を除く): 17307676

約数列:

[1, 2, 4, 23, 46, 92, 223, 446, 892, 1009, 2018, 4036, 5129, 10258, 20516, 23207, 46414, 92828, 225007, 450014, 900028, 5175161, 10350322, 20700644]

約数ペア:

[(1, 20700644), (2, 10350322), (4, 5175161), (23, 900028), (46, 450014), (92, 225007), (223, 92828), (446, 46414), (892, 23207), (1009, 20516), (2018, 10258), (4036, 5129)]