19936920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{337}}^1$

素因数の和:397

約数の個数: 128

約数和(自身を含む): 65707200

約数和(自身を除く): 45770280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 29, 30, 34, 40, 51, 58, 60, 68, 85, 87, 102, 116, 120, 136, 145, 170, 174, 204, 232, 255, 290, 337, 340, 348, 408, 435, 493, 510, 580, 674, 680, 696, 870, 986, 1011, 1020, 1160, 1348, 1479, 1685, 1740, 1972, 2022, 2040, 2465, 2696, 2958, 3370, 3480, 3944, 4044, 4930, 5055, 5729, 5916, 6740, 7395, 8088, 9773, 9860, 10110, 11458, 11832, 13480, 14790, 17187, 19546, 19720, 20220, 22916, 28645, 29319, 29580, 34374, 39092, 40440, 45832, 48865, 57290, 58638, 59160, 68748, 78184, 85935, 97730, 114580, 117276, 137496, 146595, 166141, 171870, 195460, 229160, 234552, 293190, 332282, 343740, 390920, 498423, 586380, 664564, 687480, 830705, 996846, 1172760, 1329128, 1661410, 1993692, 2492115, 3322820, 3987384, 4984230, 6645640, 9968460, 19936920]

約数ペア:

[(1, 19936920), (2, 9968460), (3, 6645640), (4, 4984230), (5, 3987384), (6, 3322820), (8, 2492115), (10, 1993692), (12, 1661410), (15, 1329128), (17, 1172760), (20, 996846), (24, 830705), (29, 687480), (30, 664564), (34, 586380), (40, 498423), (51, 390920), (58, 343740), (60, 332282), (68, 293190), (85, 234552), (87, 229160), (102, 195460), (116, 171870), (120, 166141), (136, 146595), (145, 137496), (170, 117276), (174, 114580), (204, 97730), (232, 85935), (255, 78184), (290, 68748), (337, 59160), (340, 58638), (348, 57290), (408, 48865), (435, 45832), (493, 40440), (510, 39092), (580, 34374), (674, 29580), (680, 29319), (696, 28645), (870, 22916), (986, 20220), (1011, 19720), (1020, 19546), (1160, 17187), (1348, 14790), (1479, 13480), (1685, 11832), (1740, 11458), (1972, 10110), (2022, 9860), (2040, 9773), (2465, 8088), (2696, 7395), (2958, 6740), (3370, 5916), (3480, 5729), (3944, 5055), (4044, 4930)]