20173027985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{66797}}^1$

素因数の和:66866

約数の個数: 48

約数和(自身を含む): 29530059840

約数和(自身を除く): 9357031855

約数列:

[1, 5, 11, 17, 19, 55, 85, 95, 187, 209, 289, 323, 935, 1045, 1445, 1615, 3179, 3553, 5491, 15895, 17765, 27455, 60401, 66797, 302005, 333985, 734767, 1135549, 1269143, 3673835, 5677745, 6345715, 12491039, 13960573, 19304333, 21575431, 62455195, 69802865, 96521665, 107877155, 212347663, 237329741, 366782327, 1061738315, 1186648705, 1833911635, 4034605597, 20173027985]

約数ペア:

[(1, 20173027985), (5, 4034605597), (11, 1833911635), (17, 1186648705), (19, 1061738315), (55, 366782327), (85, 237329741), (95, 212347663), (187, 107877155), (209, 96521665), (289, 69802865), (323, 62455195), (935, 21575431), (1045, 19304333), (1445, 13960573), (1615, 12491039), (3179, 6345715), (3553, 5677745), (5491, 3673835), (15895, 1269143), (17765, 1135549), (27455, 734767), (60401, 333985), (66797, 302005)]