20858590963

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{3767}}^1$

素因数の和:3920

約数の個数: 64

約数和(自身を含む): 27780710400

約数和(自身を除く): 6922119437

約数列:

[1, 7, 17, 19, 31, 79, 119, 133, 217, 323, 527, 553, 589, 1343, 1501, 2261, 2449, 3689, 3767, 4123, 9401, 10013, 10507, 17143, 25517, 26369, 41633, 46531, 64039, 70091, 71573, 116777, 178619, 291431, 297593, 325717, 448273, 501011, 791027, 817439, 1216741, 1985209, 2083151, 2218763, 5059081, 5537189, 5654267, 8517187, 9225383, 13896463, 15531341, 35413567, 37718971, 39579869, 64577681, 96122539, 156831511, 175282277, 264032797, 672857773, 1097820577, 1226975939, 2979798709, 20858590963]

約数ペア:

[(1, 20858590963), (7, 2979798709), (17, 1226975939), (19, 1097820577), (31, 672857773), (79, 264032797), (119, 175282277), (133, 156831511), (217, 96122539), (323, 64577681), (527, 39579869), (553, 37718971), (589, 35413567), (1343, 15531341), (1501, 13896463), (2261, 9225383), (2449, 8517187), (3689, 5654267), (3767, 5537189), (4123, 5059081), (9401, 2218763), (10013, 2083151), (10507, 1985209), (17143, 1216741), (25517, 817439), (26369, 791027), (41633, 501011), (46531, 448273), (64039, 325717), (70091, 297593), (71573, 291431), (116777, 178619)]