20560804

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1847}}^1$

素因数の和:1896

約数の個数: 36

約数和(自身を含む): 41291712

約数和(自身を除く): 20730908

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 121, 242, 253, 484, 506, 1012, 1847, 2783, 3694, 5566, 7388, 11132, 20317, 40634, 42481, 81268, 84962, 169924, 223487, 446974, 467291, 893948, 934582, 1869164, 5140201, 10280402, 20560804]

約数ペア:

[(1, 20560804), (2, 10280402), (4, 5140201), (11, 1869164), (22, 934582), (23, 893948), (44, 467291), (46, 446974), (92, 223487), (121, 169924), (242, 84962), (253, 81268), (484, 42481), (506, 40634), (1012, 20317), (1847, 11132), (2783, 7388), (3694, 5566)]