20132497420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{359}}^1\times {\mathrm{3889}}^1$

素因数の和:4367

約数の個数: 96

約数和(自身を含む): 48935577600

約数和(自身を除く): 28803080180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 359, 412, 515, 718, 721, 1030, 1436, 1442, 1795, 2060, 2513, 2884, 3590, 3605, 3889, 5026, 7180, 7210, 7778, 10052, 12565, 14420, 15556, 19445, 25130, 27223, 36977, 38890, 50260, 54446, 73954, 77780, 108892, 136115, 147908, 184885, 258839, 272230, 369770, 400567, 517678, 544460, 739540, 801134, 1035356, 1294195, 1396151, 1602268, 2002835, 2588390, 2792302, 2803969, 4005670, 5176780, 5584604, 5607938, 6980755, 8011340, 9773057, 11215876, 13961510, 14019845, 19546114, 27923020, 28039690, 39092228, 48865285, 56079380, 97730570, 143803553, 195461140, 287607106, 575214212, 719017765, 1006624871, 1438035530, 2013249742, 2876071060, 4026499484, 5033124355, 10066248710, 20132497420]

約数ペア:

[(1, 20132497420), (2, 10066248710), (4, 5033124355), (5, 4026499484), (7, 2876071060), (10, 2013249742), (14, 1438035530), (20, 1006624871), (28, 719017765), (35, 575214212), (70, 287607106), (103, 195461140), (140, 143803553), (206, 97730570), (359, 56079380), (412, 48865285), (515, 39092228), (718, 28039690), (721, 27923020), (1030, 19546114), (1436, 14019845), (1442, 13961510), (1795, 11215876), (2060, 9773057), (2513, 8011340), (2884, 6980755), (3590, 5607938), (3605, 5584604), (3889, 5176780), (5026, 4005670), (7180, 2803969), (7210, 2792302), (7778, 2588390), (10052, 2002835), (12565, 1602268), (14420, 1396151), (15556, 1294195), (19445, 1035356), (25130, 801134), (27223, 739540), (36977, 544460), (38890, 517678), (50260, 400567), (54446, 369770), (73954, 272230), (77780, 258839), (108892, 184885), (136115, 147908)]