20996914208

素因数分解:

$2^5\times {\mathrm{103}}^1\times {\mathrm{191}}^1\times {\mathrm{33353}}^1$

素因数の和:33657

約数の個数: 48

約数和(自身を含む): 41958798336

約数和(自身を除く): 20961884128

約数列:

[1, 2, 4, 8, 16, 32, 103, 191, 206, 382, 412, 764, 824, 1528, 1648, 3056, 3296, 6112, 19673, 33353, 39346, 66706, 78692, 133412, 157384, 266824, 314768, 533648, 629536, 1067296, 3435359, 6370423, 6870718, 12740846, 13741436, 25481692, 27482872, 50963384, 54965744, 101926768, 109931488, 203853536, 656153569, 1312307138, 2624614276, 5249228552, 10498457104, 20996914208]

約数ペア:

[(1, 20996914208), (2, 10498457104), (4, 5249228552), (8, 2624614276), (16, 1312307138), (32, 656153569), (103, 203853536), (191, 109931488), (206, 101926768), (382, 54965744), (412, 50963384), (764, 27482872), (824, 25481692), (1528, 13741436), (1648, 12740846), (3056, 6870718), (3296, 6370423), (6112, 3435359), (19673, 1067296), (33353, 629536), (39346, 533648), (66706, 314768), (78692, 266824), (133412, 157384)]