20507674

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{40529}}^1$

素因数の和:40565

約数の個数: 16

約数和(自身を含む): 35017920

約数和(自身を除く): 14510246

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 40529, 81058, 445819, 891638, 932167, 1864334, 10253837, 20507674]

約数ペア:

[(1, 20507674), (2, 10253837), (11, 1864334), (22, 932167), (23, 891638), (46, 445819), (253, 81058), (506, 40529)]