20186851280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{487}}^1\times {\mathrm{1051}}^1$

素因数の和:1597

約数の個数: 160

約数和(自身を含む): 51563485440

約数和(自身を除く): 31376634160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 68, 80, 85, 116, 136, 145, 170, 232, 272, 290, 340, 464, 487, 493, 580, 680, 974, 986, 1051, 1160, 1360, 1948, 1972, 2102, 2320, 2435, 2465, 3896, 3944, 4204, 4870, 4930, 5255, 7792, 7888, 8279, 8408, 9740, 9860, 10510, 14123, 16558, 16816, 17867, 19480, 19720, 21020, 28246, 30479, 33116, 35734, 38960, 39440, 41395, 42040, 56492, 60958, 66232, 70615, 71468, 82790, 84080, 89335, 112984, 121916, 132464, 141230, 142936, 152395, 165580, 178670, 225968, 240091, 243832, 282460, 285872, 304790, 331160, 357340, 480182, 487664, 511837, 518143, 564920, 609580, 662320, 714680, 960364, 1023674, 1036286, 1129840, 1200455, 1219160, 1429360, 1920728, 2047348, 2072572, 2400910, 2438320, 2559185, 2590715, 3841456, 4094696, 4145144, 4801820, 5118370, 5181430, 8189392, 8290288, 8701229, 9603640, 10236740, 10362860, 14843273, 17402458, 19207280, 20473480, 20725720, 29686546, 34804916, 40946960, 41451440, 43506145, 59373092, 69609832, 74216365, 87012290, 118746184, 139219664, 148432730, 174024580, 237492368, 252335641, 296865460, 348049160, 504671282, 593730920, 696098320, 1009342564, 1187461840, 1261678205, 2018685128, 2523356410, 4037370256, 5046712820, 10093425640, 20186851280]

約数ペア:

[(1, 20186851280), (2, 10093425640), (4, 5046712820), (5, 4037370256), (8, 2523356410), (10, 2018685128), (16, 1261678205), (17, 1187461840), (20, 1009342564), (29, 696098320), (34, 593730920), (40, 504671282), (58, 348049160), (68, 296865460), (80, 252335641), (85, 237492368), (116, 174024580), (136, 148432730), (145, 139219664), (170, 118746184), (232, 87012290), (272, 74216365), (290, 69609832), (340, 59373092), (464, 43506145), (487, 41451440), (493, 40946960), (580, 34804916), (680, 29686546), (974, 20725720), (986, 20473480), (1051, 19207280), (1160, 17402458), (1360, 14843273), (1948, 10362860), (1972, 10236740), (2102, 9603640), (2320, 8701229), (2435, 8290288), (2465, 8189392), (3896, 5181430), (3944, 5118370), (4204, 4801820), (4870, 4145144), (4930, 4094696), (5255, 3841456), (7792, 2590715), (7888, 2559185), (8279, 2438320), (8408, 2400910), (9740, 2072572), (9860, 2047348), (10510, 1920728), (14123, 1429360), (16558, 1219160), (16816, 1200455), (17867, 1129840), (19480, 1036286), (19720, 1023674), (21020, 960364), (28246, 714680), (30479, 662320), (33116, 609580), (35734, 564920), (38960, 518143), (39440, 511837), (41395, 487664), (42040, 480182), (56492, 357340), (60958, 331160), (66232, 304790), (70615, 285872), (71468, 282460), (82790, 243832), (84080, 240091), (89335, 225968), (112984, 178670), (121916, 165580), (132464, 152395), (141230, 142936)]