20090247

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1\times {\mathrm{593}}^1$

素因数の和:1110

約数の個数: 16

約数和(自身を含む): 28055808

約数和(自身を除く): 7965561

約数列:

[1, 3, 23, 69, 491, 593, 1473, 1779, 11293, 13639, 33879, 40917, 291163, 873489, 6696749, 20090247]

約数ペア:

[(1, 20090247), (3, 6696749), (23, 873489), (69, 291163), (491, 40917), (593, 33879), (1473, 13639), (1779, 11293)]