20512999884040

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{613}}^1\times {\mathrm{1523}}^1\times {\mathrm{5333}}^1$

素因数の和:7583

約数の個数: 128

約数和(自身を含む): 46717780112640

約数和(自身を除く): 26204780228600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 613, 824, 1030, 1226, 1523, 2060, 2452, 3046, 3065, 4120, 4904, 5333, 6092, 6130, 7615, 10666, 12184, 12260, 15230, 21332, 24520, 26665, 30460, 42664, 53330, 60920, 63139, 106660, 126278, 156869, 213320, 252556, 313738, 315695, 505112, 549299, 627476, 631390, 784345, 933599, 1098598, 1254952, 1262780, 1568690, 1867198, 2197196, 2525560, 2746495, 3137380, 3269129, 3734396, 4394392, 4667995, 5492990, 6274760, 6538258, 7468792, 8122159, 9335990, 10985980, 13076516, 16244318, 16345645, 18671980, 21971960, 26153032, 32488636, 32691290, 37343960, 40610795, 64977272, 65382580, 81221590, 96160697, 130765160, 162443180, 192321394, 324886360, 336720287, 384642788, 480803485, 673440574, 769285576, 836582377, 961606970, 1346881148, 1673164754, 1683601435, 1923213940, 2693762296, 3346329508, 3367202870, 3846427880, 4182911885, 4978883467, 6692659016, 6734405740, 8365823770, 9957766934, 13468811480, 16731647540, 19915533868, 24894417335, 33463295080, 39831067736, 49788834670, 99577669340, 199155338680, 512824997101, 1025649994202, 2051299988404, 2564124985505, 4102599976808, 5128249971010, 10256499942020, 20512999884040]

約数ペア:

[(1, 20512999884040), (2, 10256499942020), (4, 5128249971010), (5, 4102599976808), (8, 2564124985505), (10, 2051299988404), (20, 1025649994202), (40, 512824997101), (103, 199155338680), (206, 99577669340), (412, 49788834670), (515, 39831067736), (613, 33463295080), (824, 24894417335), (1030, 19915533868), (1226, 16731647540), (1523, 13468811480), (2060, 9957766934), (2452, 8365823770), (3046, 6734405740), (3065, 6692659016), (4120, 4978883467), (4904, 4182911885), (5333, 3846427880), (6092, 3367202870), (6130, 3346329508), (7615, 2693762296), (10666, 1923213940), (12184, 1683601435), (12260, 1673164754), (15230, 1346881148), (21332, 961606970), (24520, 836582377), (26665, 769285576), (30460, 673440574), (42664, 480803485), (53330, 384642788), (60920, 336720287), (63139, 324886360), (106660, 192321394), (126278, 162443180), (156869, 130765160), (213320, 96160697), (252556, 81221590), (313738, 65382580), (315695, 64977272), (505112, 40610795), (549299, 37343960), (627476, 32691290), (631390, 32488636), (784345, 26153032), (933599, 21971960), (1098598, 18671980), (1254952, 16345645), (1262780, 16244318), (1568690, 13076516), (1867198, 10985980), (2197196, 9335990), (2525560, 8122159), (2746495, 7468792), (3137380, 6538258), (3269129, 6274760), (3734396, 5492990), (4394392, 4667995)]