20523300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{337}}^1$

素因数の和:390

約数の個数: 144

約数和(自身を含む): 70412160

約数和(自身を除く): 49888860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 29, 30, 35, 42, 50, 58, 60, 70, 75, 84, 87, 100, 105, 116, 140, 145, 150, 174, 175, 203, 210, 290, 300, 337, 348, 350, 406, 420, 435, 525, 580, 609, 674, 700, 725, 812, 870, 1011, 1015, 1050, 1218, 1348, 1450, 1685, 1740, 2022, 2030, 2100, 2175, 2359, 2436, 2900, 3045, 3370, 4044, 4060, 4350, 4718, 5055, 5075, 6090, 6740, 7077, 8425, 8700, 9436, 9773, 10110, 10150, 11795, 12180, 14154, 15225, 16850, 19546, 20220, 20300, 23590, 25275, 28308, 29319, 30450, 33700, 35385, 39092, 47180, 48865, 50550, 58638, 58975, 60900, 68411, 70770, 97730, 101100, 117276, 117950, 136822, 141540, 146595, 176925, 195460, 205233, 235900, 244325, 273644, 293190, 342055, 353850, 410466, 488650, 586380, 684110, 707700, 732975, 820932, 977300, 1026165, 1368220, 1465950, 1710275, 2052330, 2931900, 3420550, 4104660, 5130825, 6841100, 10261650, 20523300]

約数ペア:

[(1, 20523300), (2, 10261650), (3, 6841100), (4, 5130825), (5, 4104660), (6, 3420550), (7, 2931900), (10, 2052330), (12, 1710275), (14, 1465950), (15, 1368220), (20, 1026165), (21, 977300), (25, 820932), (28, 732975), (29, 707700), (30, 684110), (35, 586380), (42, 488650), (50, 410466), (58, 353850), (60, 342055), (70, 293190), (75, 273644), (84, 244325), (87, 235900), (100, 205233), (105, 195460), (116, 176925), (140, 146595), (145, 141540), (150, 136822), (174, 117950), (175, 117276), (203, 101100), (210, 97730), (290, 70770), (300, 68411), (337, 60900), (348, 58975), (350, 58638), (406, 50550), (420, 48865), (435, 47180), (525, 39092), (580, 35385), (609, 33700), (674, 30450), (700, 29319), (725, 28308), (812, 25275), (870, 23590), (1011, 20300), (1015, 20220), (1050, 19546), (1218, 16850), (1348, 15225), (1450, 14154), (1685, 12180), (1740, 11795), (2022, 10150), (2030, 10110), (2100, 9773), (2175, 9436), (2359, 8700), (2436, 8425), (2900, 7077), (3045, 6740), (3370, 6090), (4044, 5075), (4060, 5055), (4350, 4718)]