20173560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:102

約数の個数: 256

約数和(自身を含む): 74649600

約数和(自身を除く): 54476040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 29, 30, 31, 33, 34, 40, 44, 51, 55, 58, 60, 62, 66, 68, 85, 87, 88, 93, 102, 110, 116, 120, 124, 132, 136, 145, 155, 165, 170, 174, 186, 187, 204, 220, 232, 248, 255, 264, 290, 310, 319, 330, 340, 341, 348, 372, 374, 408, 435, 440, 465, 493, 510, 527, 561, 580, 620, 638, 660, 680, 682, 696, 744, 748, 870, 899, 930, 935, 957, 986, 1020, 1023, 1054, 1122, 1160, 1240, 1276, 1320, 1364, 1479, 1496, 1581, 1595, 1705, 1740, 1798, 1860, 1870, 1914, 1972, 2040, 2046, 2108, 2244, 2465, 2552, 2635, 2697, 2728, 2805, 2958, 3162, 3190, 3410, 3480, 3596, 3720, 3740, 3828, 3944, 4092, 4216, 4488, 4495, 4785, 4930, 5115, 5270, 5394, 5423, 5610, 5797, 5916, 6324, 6380, 6820, 7192, 7395, 7480, 7656, 7905, 8184, 8990, 9570, 9860, 9889, 10230, 10540, 10788, 10846, 11220, 11594, 11832, 12648, 12760, 13485, 13640, 14790, 15283, 15810, 16269, 17391, 17980, 19140, 19720, 19778, 20460, 21080, 21576, 21692, 22440, 23188, 26970, 27115, 28985, 29580, 29667, 30566, 31620, 32538, 34782, 35960, 38280, 39556, 40920, 43384, 45849, 46376, 49445, 53940, 54230, 57970, 59160, 59334, 61132, 63240, 65076, 69564, 76415, 79112, 81345, 86955, 91698, 98890, 107880, 108460, 115940, 118668, 122264, 130152, 139128, 148335, 152830, 162690, 168113, 173910, 183396, 197780, 216920, 229245, 231880, 237336, 296670, 305660, 325380, 336226, 347820, 366792, 395560, 458490, 504339, 593340, 611320, 650760, 672452, 695640, 840565, 916980, 1008678, 1186680, 1344904, 1681130, 1833960, 2017356, 2521695, 3362260, 4034712, 5043390, 6724520, 10086780, 20173560]

約数ペア:

[(1, 20173560), (2, 10086780), (3, 6724520), (4, 5043390), (5, 4034712), (6, 3362260), (8, 2521695), (10, 2017356), (11, 1833960), (12, 1681130), (15, 1344904), (17, 1186680), (20, 1008678), (22, 916980), (24, 840565), (29, 695640), (30, 672452), (31, 650760), (33, 611320), (34, 593340), (40, 504339), (44, 458490), (51, 395560), (55, 366792), (58, 347820), (60, 336226), (62, 325380), (66, 305660), (68, 296670), (85, 237336), (87, 231880), (88, 229245), (93, 216920), (102, 197780), (110, 183396), (116, 173910), (120, 168113), (124, 162690), (132, 152830), (136, 148335), (145, 139128), (155, 130152), (165, 122264), (170, 118668), (174, 115940), (186, 108460), (187, 107880), (204, 98890), (220, 91698), (232, 86955), (248, 81345), (255, 79112), (264, 76415), (290, 69564), (310, 65076), (319, 63240), (330, 61132), (340, 59334), (341, 59160), (348, 57970), (372, 54230), (374, 53940), (408, 49445), (435, 46376), (440, 45849), (465, 43384), (493, 40920), (510, 39556), (527, 38280), (561, 35960), (580, 34782), (620, 32538), (638, 31620), (660, 30566), (680, 29667), (682, 29580), (696, 28985), (744, 27115), (748, 26970), (870, 23188), (899, 22440), (930, 21692), (935, 21576), (957, 21080), (986, 20460), (1020, 19778), (1023, 19720), (1054, 19140), (1122, 17980), (1160, 17391), (1240, 16269), (1276, 15810), (1320, 15283), (1364, 14790), (1479, 13640), (1496, 13485), (1581, 12760), (1595, 12648), (1705, 11832), (1740, 11594), (1798, 11220), (1860, 10846), (1870, 10788), (1914, 10540), (1972, 10230), (2040, 9889), (2046, 9860), (2108, 9570), (2244, 8990), (2465, 8184), (2552, 7905), (2635, 7656), (2697, 7480), (2728, 7395), (2805, 7192), (2958, 6820), (3162, 6380), (3190, 6324), (3410, 5916), (3480, 5797), (3596, 5610), (3720, 5423), (3740, 5394), (3828, 5270), (3944, 5115), (4092, 4930), (4216, 4785), (4488, 4495)]