20046950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:198

約数の個数: 96

約数和(自身を含む): 47996928

約数和(自身を除く): 27949978

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 41, 50, 55, 70, 77, 82, 110, 127, 154, 175, 205, 254, 275, 287, 350, 385, 410, 451, 550, 574, 635, 770, 889, 902, 1025, 1270, 1397, 1435, 1778, 1925, 2050, 2255, 2794, 2870, 3157, 3175, 3850, 4445, 4510, 5207, 6314, 6350, 6985, 7175, 8890, 9779, 10414, 11275, 13970, 14350, 15785, 19558, 22225, 22550, 26035, 31570, 34925, 36449, 44450, 48895, 52070, 57277, 69850, 72898, 78925, 97790, 114554, 130175, 157850, 182245, 244475, 260350, 286385, 364490, 400939, 488950, 572770, 801878, 911225, 1431925, 1822450, 2004695, 2863850, 4009390, 10023475, 20046950]

約数ペア:

[(1, 20046950), (2, 10023475), (5, 4009390), (7, 2863850), (10, 2004695), (11, 1822450), (14, 1431925), (22, 911225), (25, 801878), (35, 572770), (41, 488950), (50, 400939), (55, 364490), (70, 286385), (77, 260350), (82, 244475), (110, 182245), (127, 157850), (154, 130175), (175, 114554), (205, 97790), (254, 78925), (275, 72898), (287, 69850), (350, 57277), (385, 52070), (410, 48895), (451, 44450), (550, 36449), (574, 34925), (635, 31570), (770, 26035), (889, 22550), (902, 22225), (1025, 19558), (1270, 15785), (1397, 14350), (1435, 13970), (1778, 11275), (1925, 10414), (2050, 9779), (2255, 8890), (2794, 7175), (2870, 6985), (3157, 6350), (3175, 6314), (3850, 5207), (4445, 4510)]