20422574

素因数分解:

$2^1\times {\mathrm{23}}^2\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:344

約数の個数: 24

約数和(自身を含む): 32516400

約数和(自身を除く): 12093826

約数列:

[1, 2, 23, 46, 97, 194, 199, 398, 529, 1058, 2231, 4462, 4577, 9154, 19303, 38606, 51313, 102626, 105271, 210542, 443969, 887938, 10211287, 20422574]

約数ペア:

[(1, 20422574), (2, 10211287), (23, 887938), (46, 443969), (97, 210542), (194, 105271), (199, 102626), (398, 51313), (529, 38606), (1058, 19303), (2231, 9154), (4462, 4577)]