20684460095

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{283}}^1\times {\mathrm{1291}}^1$

素因数の和:1672

約数の個数: 48

約数和(自身を含む): 27396312192

約数和(自身を除く): 6711852097

約数列:

[1, 5, 13, 65, 67, 169, 283, 335, 845, 871, 1291, 1415, 3679, 4355, 6455, 11323, 16783, 18395, 18961, 47827, 56615, 83915, 86497, 94805, 218179, 239135, 246493, 365353, 432485, 1090895, 1124461, 1232465, 1826765, 3204409, 4749589, 5622305, 14617993, 16022045, 23747945, 24478651, 61744657, 73089965, 122393255, 308723285, 318222463, 1591112315, 4136892019, 20684460095]

約数ペア:

[(1, 20684460095), (5, 4136892019), (13, 1591112315), (65, 318222463), (67, 308723285), (169, 122393255), (283, 73089965), (335, 61744657), (845, 24478651), (871, 23747945), (1291, 16022045), (1415, 14617993), (3679, 5622305), (4355, 4749589), (6455, 3204409), (11323, 1826765), (16783, 1232465), (18395, 1124461), (18961, 1090895), (47827, 432485), (56615, 365353), (83915, 246493), (86497, 239135), (94805, 218179)]