20816677551

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{373}}^1\times {\mathrm{17209}}^1$

素因数の和:17655

約数の個数: 32

約数和(自身を含む): 29659576320

約数和(自身を除く): 8842898769

約数列:

[1, 3, 23, 47, 69, 141, 373, 1081, 1119, 3243, 8579, 17209, 17531, 25737, 51627, 52593, 395807, 403213, 808823, 1187421, 1209639, 2426469, 6418957, 18602929, 19256871, 55808787, 147636011, 301690979, 442908033, 905072937, 6938892517, 20816677551]

約数ペア:

[(1, 20816677551), (3, 6938892517), (23, 905072937), (47, 442908033), (69, 301690979), (141, 147636011), (373, 55808787), (1081, 19256871), (1119, 18602929), (3243, 6418957), (8579, 2426469), (17209, 1209639), (17531, 1187421), (25737, 808823), (51627, 403213), (52593, 395807)]