20768077005

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1\times {\mathrm{5591}}^1$

素因数の和:6098

約数の個数: 64

約数和(自身を含む): 36706424832

約数和(自身を除く): 15938347827

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 443, 559, 645, 1329, 1677, 2215, 2795, 5591, 5759, 6645, 8385, 16773, 17277, 19049, 27955, 28795, 57147, 72683, 83865, 86385, 95245, 218049, 240413, 247637, 285735, 363415, 721239, 742911, 1090245, 1202065, 1238185, 2476813, 3125369, 3606195, 3714555, 7430439, 9376107, 12384065, 15626845, 32198569, 37152195, 46880535, 96595707, 106502959, 160992845, 319508877, 482978535, 532514795, 1384538467, 1597544385, 4153615401, 6922692335, 20768077005]

約数ペア:

[(1, 20768077005), (3, 6922692335), (5, 4153615401), (13, 1597544385), (15, 1384538467), (39, 532514795), (43, 482978535), (65, 319508877), (129, 160992845), (195, 106502959), (215, 96595707), (443, 46880535), (559, 37152195), (645, 32198569), (1329, 15626845), (1677, 12384065), (2215, 9376107), (2795, 7430439), (5591, 3714555), (5759, 3606195), (6645, 3125369), (8385, 2476813), (16773, 1238185), (17277, 1202065), (19049, 1090245), (27955, 742911), (28795, 721239), (57147, 363415), (72683, 285735), (83865, 247637), (86385, 240413), (95245, 218049)]