20642072

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1847}}^1$

素因数の和:1991

約数の個数: 32

約数和(自身を含む): 42577920

約数和(自身を除く): 21935848

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 127, 254, 508, 1016, 1397, 1847, 2794, 3694, 5588, 7388, 11176, 14776, 20317, 40634, 81268, 162536, 234569, 469138, 938276, 1876552, 2580259, 5160518, 10321036, 20642072]

約数ペア:

[(1, 20642072), (2, 10321036), (4, 5160518), (8, 2580259), (11, 1876552), (22, 938276), (44, 469138), (88, 234569), (127, 162536), (254, 81268), (508, 40634), (1016, 20317), (1397, 14776), (1847, 11176), (2794, 7388), (3694, 5588)]