20132640507

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:637

約数の個数: 128

約数和(自身を含む): 34712064000

約数和(自身を除く): 14579423493

約数列:

[1, 3, 7, 17, 21, 29, 51, 61, 71, 87, 119, 183, 203, 213, 357, 427, 449, 493, 497, 609, 1037, 1207, 1281, 1347, 1479, 1491, 1769, 2059, 3111, 3143, 3451, 3621, 4331, 5307, 6177, 7259, 7633, 8449, 9429, 10353, 12383, 12993, 13021, 14413, 21777, 22899, 25347, 27389, 30073, 30317, 31879, 35003, 37149, 39063, 43239, 53431, 73627, 82167, 90219, 90951, 91147, 95637, 105009, 125599, 160293, 191723, 210511, 220881, 221357, 223153, 245021, 273441, 376797, 465613, 515389, 541943, 575169, 631533, 664071, 669459, 735063, 794281, 879193, 924491, 1396839, 1546167, 1549499, 1625829, 1944619, 2135183, 2382843, 2637579, 2773473, 3259291, 3793601, 4648497, 5559967, 5833857, 6405549, 6471437, 9777873, 11380803, 13502777, 13612333, 14946281, 15716347, 16679901, 19414311, 33058523, 40508331, 40836999, 44838843, 47149041, 56393951, 94519439, 99175569, 110014429, 169181853, 231409661, 283558317, 330043287, 394757657, 694228983, 958697167, 1184272971, 2876091501, 6710880169, 20132640507]

約数ペア:

[(1, 20132640507), (3, 6710880169), (7, 2876091501), (17, 1184272971), (21, 958697167), (29, 694228983), (51, 394757657), (61, 330043287), (71, 283558317), (87, 231409661), (119, 169181853), (183, 110014429), (203, 99175569), (213, 94519439), (357, 56393951), (427, 47149041), (449, 44838843), (493, 40836999), (497, 40508331), (609, 33058523), (1037, 19414311), (1207, 16679901), (1281, 15716347), (1347, 14946281), (1479, 13612333), (1491, 13502777), (1769, 11380803), (2059, 9777873), (3111, 6471437), (3143, 6405549), (3451, 5833857), (3621, 5559967), (4331, 4648497), (5307, 3793601), (6177, 3259291), (7259, 2773473), (7633, 2637579), (8449, 2382843), (9429, 2135183), (10353, 1944619), (12383, 1625829), (12993, 1549499), (13021, 1546167), (14413, 1396839), (21777, 924491), (22899, 879193), (25347, 794281), (27389, 735063), (30073, 669459), (30317, 664071), (31879, 631533), (35003, 575169), (37149, 541943), (39063, 515389), (43239, 465613), (53431, 376797), (73627, 273441), (82167, 245021), (90219, 223153), (90951, 221357), (91147, 220881), (95637, 210511), (105009, 191723), (125599, 160293)]