20294418

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{739}}^1$

素因数の和:966

約数の個数: 32

約数和(自身を含む): 42624000

約数和(自身を除く): 22329582

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 199, 398, 597, 739, 1194, 1478, 2217, 4434, 4577, 9154, 13731, 16997, 27462, 33994, 50991, 101982, 147061, 294122, 441183, 882366, 3382403, 6764806, 10147209, 20294418]

約数ペア:

[(1, 20294418), (2, 10147209), (3, 6764806), (6, 3382403), (23, 882366), (46, 441183), (69, 294122), (138, 147061), (199, 101982), (398, 50991), (597, 33994), (739, 27462), (1194, 16997), (1478, 13731), (2217, 9154), (4434, 4577)]