20492047197

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1\times {\mathrm{439}}^1$

素因数の和:888

約数の個数: 80

約数和(自身を含む): 32889542400

約数和(自身を除く): 12397495203

約数列:

[1, 3, 9, 17, 27, 51, 81, 109, 153, 311, 327, 439, 459, 933, 981, 1317, 1377, 1853, 2799, 2943, 3951, 5287, 5559, 7463, 8397, 8829, 11853, 15861, 16677, 22389, 25191, 33899, 35559, 47583, 47851, 50031, 67167, 101697, 136529, 142749, 143553, 150093, 201501, 305091, 409587, 428247, 430659, 576283, 604503, 813467, 915273, 1228761, 1291977, 1728849, 2320993, 2440401, 2745819, 3686283, 3875931, 5186547, 6962979, 7321203, 11058849, 14881661, 15559641, 20888937, 21963609, 44644983, 46678923, 62666811, 65890827, 133934949, 188000433, 252988237, 401804847, 758964711, 1205414541, 2276894133, 6830682399, 20492047197]

約数ペア:

[(1, 20492047197), (3, 6830682399), (9, 2276894133), (17, 1205414541), (27, 758964711), (51, 401804847), (81, 252988237), (109, 188000433), (153, 133934949), (311, 65890827), (327, 62666811), (439, 46678923), (459, 44644983), (933, 21963609), (981, 20888937), (1317, 15559641), (1377, 14881661), (1853, 11058849), (2799, 7321203), (2943, 6962979), (3951, 5186547), (5287, 3875931), (5559, 3686283), (7463, 2745819), (8397, 2440401), (8829, 2320993), (11853, 1728849), (15861, 1291977), (16677, 1228761), (22389, 915273), (25191, 813467), (33899, 604503), (35559, 576283), (47583, 430659), (47851, 428247), (50031, 409587), (67167, 305091), (101697, 201501), (136529, 150093), (142749, 143553)]