20512674900

素因数分解:

$2^2\times 3^6\times 5^2\times {\mathrm{281381}}^1$

素因数の和:281413

約数の個数: 126

約数和(自身を含む): 66738464142

約数和(自身を除く): 46225789242

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 243, 270, 300, 324, 405, 450, 486, 540, 675, 729, 810, 900, 972, 1215, 1350, 1458, 1620, 2025, 2430, 2700, 2916, 3645, 4050, 4860, 6075, 7290, 8100, 12150, 14580, 18225, 24300, 36450, 72900, 281381, 562762, 844143, 1125524, 1406905, 1688286, 2532429, 2813810, 3376572, 4220715, 5064858, 5627620, 7034525, 7597287, 8441430, 10129716, 12662145, 14069050, 15194574, 16882860, 21103575, 22791861, 25324290, 28138100, 30389148, 37986435, 42207150, 45583722, 50648580, 63310725, 68375583, 75972870, 84414300, 91167444, 113959305, 126621450, 136751166, 151945740, 189932175, 205126749, 227918610, 253242900, 273502332, 341877915, 379864350, 410253498, 455837220, 569796525, 683755830, 759728700, 820506996, 1025633745, 1139593050, 1367511660, 1709389575, 2051267490, 2279186100, 3418779150, 4102534980, 5128168725, 6837558300, 10256337450, 20512674900]

約数ペア:

[(1, 20512674900), (2, 10256337450), (3, 6837558300), (4, 5128168725), (5, 4102534980), (6, 3418779150), (9, 2279186100), (10, 2051267490), (12, 1709389575), (15, 1367511660), (18, 1139593050), (20, 1025633745), (25, 820506996), (27, 759728700), (30, 683755830), (36, 569796525), (45, 455837220), (50, 410253498), (54, 379864350), (60, 341877915), (75, 273502332), (81, 253242900), (90, 227918610), (100, 205126749), (108, 189932175), (135, 151945740), (150, 136751166), (162, 126621450), (180, 113959305), (225, 91167444), (243, 84414300), (270, 75972870), (300, 68375583), (324, 63310725), (405, 50648580), (450, 45583722), (486, 42207150), (540, 37986435), (675, 30389148), (729, 28138100), (810, 25324290), (900, 22791861), (972, 21103575), (1215, 16882860), (1350, 15194574), (1458, 14069050), (1620, 12662145), (2025, 10129716), (2430, 8441430), (2700, 7597287), (2916, 7034525), (3645, 5627620), (4050, 5064858), (4860, 4220715), (6075, 3376572), (7290, 2813810), (8100, 2532429), (12150, 1688286), (14580, 1406905), (18225, 1125524), (24300, 844143), (36450, 562762), (72900, 281381)]