20469574

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{1721}}^1$

素因数の和:2055

約数の個数: 16

約数和(自身を含む): 32442480

約数和(自身を除く): 11972906

約数列:

[1, 2, 19, 38, 313, 626, 1721, 3442, 5947, 11894, 32699, 65398, 538673, 1077346, 10234787, 20469574]

約数ペア:

[(1, 20469574), (2, 10234787), (19, 1077346), (38, 538673), (313, 65398), (626, 32699), (1721, 11894), (3442, 5947)]