20360900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:126

約数の個数: 144

約数和(自身を含む): 56246400

約数和(自身を除く): 35885500

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 29, 34, 35, 50, 58, 59, 68, 70, 85, 100, 116, 118, 119, 140, 145, 170, 175, 203, 236, 238, 290, 295, 340, 350, 406, 413, 425, 476, 493, 580, 590, 595, 700, 725, 812, 826, 850, 986, 1003, 1015, 1180, 1190, 1450, 1475, 1652, 1700, 1711, 1972, 2006, 2030, 2065, 2380, 2465, 2900, 2950, 2975, 3422, 3451, 4012, 4060, 4130, 4930, 5015, 5075, 5900, 5950, 6844, 6902, 7021, 8260, 8555, 9860, 10030, 10150, 10325, 11900, 11977, 12325, 13804, 14042, 17110, 17255, 20060, 20300, 20650, 23954, 24650, 25075, 28084, 29087, 34220, 34510, 35105, 41300, 42775, 47908, 49300, 50150, 58174, 59885, 69020, 70210, 85550, 86275, 100300, 116348, 119770, 140420, 145435, 171100, 172550, 175525, 203609, 239540, 290870, 299425, 345100, 351050, 407218, 581740, 598850, 702100, 727175, 814436, 1018045, 1197700, 1454350, 2036090, 2908700, 4072180, 5090225, 10180450, 20360900]

約数ペア:

[(1, 20360900), (2, 10180450), (4, 5090225), (5, 4072180), (7, 2908700), (10, 2036090), (14, 1454350), (17, 1197700), (20, 1018045), (25, 814436), (28, 727175), (29, 702100), (34, 598850), (35, 581740), (50, 407218), (58, 351050), (59, 345100), (68, 299425), (70, 290870), (85, 239540), (100, 203609), (116, 175525), (118, 172550), (119, 171100), (140, 145435), (145, 140420), (170, 119770), (175, 116348), (203, 100300), (236, 86275), (238, 85550), (290, 70210), (295, 69020), (340, 59885), (350, 58174), (406, 50150), (413, 49300), (425, 47908), (476, 42775), (493, 41300), (580, 35105), (590, 34510), (595, 34220), (700, 29087), (725, 28084), (812, 25075), (826, 24650), (850, 23954), (986, 20650), (1003, 20300), (1015, 20060), (1180, 17255), (1190, 17110), (1450, 14042), (1475, 13804), (1652, 12325), (1700, 11977), (1711, 11900), (1972, 10325), (2006, 10150), (2030, 10030), (2065, 9860), (2380, 8555), (2465, 8260), (2900, 7021), (2950, 6902), (2975, 6844), (3422, 5950), (3451, 5900), (4012, 5075), (4060, 5015), (4130, 4930)]