20237707560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{17471}}^1$

素因数の和:17696

約数の個数: 192

約数和(自身を含む): 70988037120

約数和(自身を除く): 50750329560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 197, 210, 245, 280, 294, 392, 394, 420, 490, 588, 591, 735, 788, 840, 980, 985, 1176, 1182, 1379, 1470, 1576, 1960, 1970, 2364, 2758, 2940, 2955, 3940, 4137, 4728, 5516, 5880, 5910, 6895, 7880, 8274, 9653, 11032, 11820, 13790, 16548, 17471, 19306, 20685, 23640, 27580, 28959, 33096, 34942, 38612, 41370, 48265, 52413, 55160, 57918, 69884, 77224, 82740, 87355, 96530, 104826, 115836, 122297, 139768, 144795, 165480, 174710, 193060, 209652, 231672, 244594, 262065, 289590, 349420, 366891, 386120, 419304, 489188, 524130, 579180, 611485, 698840, 733782, 856079, 978376, 1048260, 1158360, 1222970, 1467564, 1712158, 1834455, 2096520, 2445940, 2568237, 2935128, 3424316, 3441787, 3668910, 4280395, 4891880, 5136474, 6848632, 6883574, 7337820, 8560790, 10272948, 10325361, 12841185, 13767148, 14675640, 17121580, 17208935, 20545896, 20650722, 24092509, 25682370, 27534296, 34243160, 34417870, 41301444, 48185018, 51364740, 51626805, 68835740, 72277527, 82602888, 96370036, 102729480, 103253610, 120462545, 137671480, 144555054, 168647563, 192740072, 206507220, 240925090, 289110108, 337295126, 361387635, 413014440, 481850180, 505942689, 578220216, 674590252, 722775270, 843237815, 963700360, 1011885378, 1349180504, 1445550540, 1686475630, 2023770756, 2529713445, 2891101080, 3372951260, 4047541512, 5059426890, 6745902520, 10118853780, 20237707560]

約数ペア:

[(1, 20237707560), (2, 10118853780), (3, 6745902520), (4, 5059426890), (5, 4047541512), (6, 3372951260), (7, 2891101080), (8, 2529713445), (10, 2023770756), (12, 1686475630), (14, 1445550540), (15, 1349180504), (20, 1011885378), (21, 963700360), (24, 843237815), (28, 722775270), (30, 674590252), (35, 578220216), (40, 505942689), (42, 481850180), (49, 413014440), (56, 361387635), (60, 337295126), (70, 289110108), (84, 240925090), (98, 206507220), (105, 192740072), (120, 168647563), (140, 144555054), (147, 137671480), (168, 120462545), (196, 103253610), (197, 102729480), (210, 96370036), (245, 82602888), (280, 72277527), (294, 68835740), (392, 51626805), (394, 51364740), (420, 48185018), (490, 41301444), (588, 34417870), (591, 34243160), (735, 27534296), (788, 25682370), (840, 24092509), (980, 20650722), (985, 20545896), (1176, 17208935), (1182, 17121580), (1379, 14675640), (1470, 13767148), (1576, 12841185), (1960, 10325361), (1970, 10272948), (2364, 8560790), (2758, 7337820), (2940, 6883574), (2955, 6848632), (3940, 5136474), (4137, 4891880), (4728, 4280395), (5516, 3668910), (5880, 3441787), (5910, 3424316), (6895, 2935128), (7880, 2568237), (8274, 2445940), (9653, 2096520), (11032, 1834455), (11820, 1712158), (13790, 1467564), (16548, 1222970), (17471, 1158360), (19306, 1048260), (20685, 978376), (23640, 856079), (27580, 733782), (28959, 698840), (33096, 611485), (34942, 579180), (38612, 524130), (41370, 489188), (48265, 419304), (52413, 386120), (55160, 366891), (57918, 349420), (69884, 289590), (77224, 262065), (82740, 244594), (87355, 231672), (96530, 209652), (104826, 193060), (115836, 174710), (122297, 165480), (139768, 144795)]