20580604

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^2$

素因数の和:298

約数の個数: 36

約数和(自身を含む): 40967640

約数和(自身を除く): 20387036

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 127, 254, 319, 508, 638, 1276, 1397, 2794, 3683, 5588, 7366, 14732, 16129, 32258, 40513, 64516, 81026, 162052, 177419, 354838, 467741, 709676, 935482, 1870964, 5145151, 10290302, 20580604]

約数ペア:

[(1, 20580604), (2, 10290302), (4, 5145151), (11, 1870964), (22, 935482), (29, 709676), (44, 467741), (58, 354838), (116, 177419), (127, 162052), (254, 81026), (319, 64516), (508, 40513), (638, 32258), (1276, 16129), (1397, 14732), (2794, 7366), (3683, 5588)]