20790758

素因数分解:

$2^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:548

約数の個数: 24

約数和(自身を含む): 33432168

約数和(自身を除く): 12641410

約数列:

[1, 2, 23, 43, 46, 86, 457, 529, 914, 989, 1058, 1978, 10511, 19651, 21022, 22747, 39302, 45494, 241753, 451973, 483506, 903946, 10395379, 20790758]

約数ペア:

[(1, 20790758), (2, 10395379), (23, 903946), (43, 483506), (46, 451973), (86, 241753), (457, 45494), (529, 39302), (914, 22747), (989, 21022), (1058, 19651), (1978, 10511)]