20197907541

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{122041}}^1$

素因数の和:122162

約数の個数: 48

約数和(自身を含む): 34726318848

約数和(自身を除く): 14528411307

約数列:

[1, 3, 7, 9, 21, 37, 63, 71, 111, 213, 259, 333, 497, 639, 777, 1491, 2331, 2627, 4473, 7881, 18389, 23643, 55167, 122041, 165501, 366123, 854287, 1098369, 2562861, 4515517, 7688583, 8664911, 13546551, 25994733, 31608619, 40639653, 60654377, 77984199, 94825857, 181963131, 284477571, 320601707, 545889393, 961805121, 2244211949, 2885415363, 6732635847, 20197907541]

約数ペア:

[(1, 20197907541), (3, 6732635847), (7, 2885415363), (9, 2244211949), (21, 961805121), (37, 545889393), (63, 320601707), (71, 284477571), (111, 181963131), (213, 94825857), (259, 77984199), (333, 60654377), (497, 40639653), (639, 31608619), (777, 25994733), (1491, 13546551), (2331, 8664911), (2627, 7688583), (4473, 4515517), (7881, 2562861), (18389, 1098369), (23643, 854287), (55167, 366123), (122041, 165501)]