20206173

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{12049}}^1$

素因数の和:12108

約数の個数: 16

約数和(自身を含む): 29691200

約数和(自身を除く): 9485027

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 12049, 36147, 156637, 469911, 518107, 1554321, 6735391, 20206173]

約数ペア:

[(1, 20206173), (3, 6735391), (13, 1554321), (39, 518107), (43, 469911), (129, 156637), (559, 36147), (1677, 12049)]