20512761

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{21169}}^1$

素因数の和:21208

約数の個数: 16

約数和(自身を含む): 30484800

約数和(自身を除く): 9972039

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 21169, 63507, 359873, 402211, 1079619, 1206633, 6837587, 20512761]

約数ペア:

[(1, 20512761), (3, 6837587), (17, 1206633), (19, 1079619), (51, 402211), (57, 359873), (323, 63507), (969, 21169)]