20516739

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{1373}}^1$

素因数の和:1686

約数の個数: 16

約数和(自身を含む): 29084832

約数和(自身を除く): 8568093

約数列:

[1, 3, 17, 51, 293, 879, 1373, 4119, 4981, 14943, 23341, 70023, 402289, 1206867, 6838913, 20516739]

約数ペア:

[(1, 20516739), (3, 6838913), (17, 1206867), (51, 402289), (293, 70023), (879, 23341), (1373, 14943), (4119, 4981)]