20275689

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{23549}}^1$

素因数の和:23600

約数の個数: 16

約数和(自身を含む): 31651200

約数和(自身を除く): 11375511

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 23549, 70647, 164843, 494529, 965509, 2896527, 6758563, 20275689]

約数ペア:

[(1, 20275689), (3, 6758563), (7, 2896527), (21, 965509), (41, 494529), (123, 164843), (287, 70647), (861, 23549)]