20517159

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{2939}}^1$

素因数の和:3134

約数の個数: 16

約数和(自身を含む): 29635200

約数和(自身を除く): 9118041

約数列:

[1, 3, 13, 39, 179, 537, 2327, 2939, 6981, 8817, 38207, 114621, 526081, 1578243, 6839053, 20517159]

約数ペア:

[(1, 20517159), (3, 6839053), (13, 1578243), (39, 526081), (179, 114621), (537, 38207), (2327, 8817), (2939, 6981)]