20515611

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{6791}}^1$

素因数の和:6866

約数の個数: 16

約数和(自身を含む): 29341440

約数和(自身を除く): 8825829

約数列:

[1, 3, 19, 53, 57, 159, 1007, 3021, 6791, 20373, 129029, 359923, 387087, 1079769, 6838537, 20515611]

約数ペア:

[(1, 20515611), (3, 6838537), (19, 1079769), (53, 387087), (57, 359923), (159, 129029), (1007, 20373), (3021, 6791)]