20176901460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{489493}}^1$

素因数の和:489737

約数の個数: 72

約数和(自身を含む): 61470656520

約数和(自身を除く): 41293755060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 229, 458, 687, 916, 1145, 1374, 2061, 2290, 2748, 3435, 4122, 4580, 6870, 8244, 10305, 13740, 20610, 41220, 489493, 978986, 1468479, 1957972, 2447465, 2936958, 4405437, 4894930, 5873916, 7342395, 8810874, 9789860, 14684790, 17621748, 22027185, 29369580, 44054370, 88108740, 112093897, 224187794, 336281691, 448375588, 560469485, 672563382, 1008845073, 1120938970, 1345126764, 1681408455, 2017690146, 2241877940, 3362816910, 4035380292, 5044225365, 6725633820, 10088450730, 20176901460]

約数ペア:

[(1, 20176901460), (2, 10088450730), (3, 6725633820), (4, 5044225365), (5, 4035380292), (6, 3362816910), (9, 2241877940), (10, 2017690146), (12, 1681408455), (15, 1345126764), (18, 1120938970), (20, 1008845073), (30, 672563382), (36, 560469485), (45, 448375588), (60, 336281691), (90, 224187794), (180, 112093897), (229, 88108740), (458, 44054370), (687, 29369580), (916, 22027185), (1145, 17621748), (1374, 14684790), (2061, 9789860), (2290, 8810874), (2748, 7342395), (3435, 5873916), (4122, 4894930), (4580, 4405437), (6870, 2936958), (8244, 2447465), (10305, 1957972), (13740, 1468479), (20610, 978986), (41220, 489493)]