20908113

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{21577}}^1$

素因数の和:21616

約数の個数: 16

約数和(自身を含む): 31072320

約数和(自身を除く): 10164207

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 21577, 64731, 366809, 409963, 1100427, 1229889, 6969371, 20908113]

約数ペア:

[(1, 20908113), (3, 6969371), (17, 1229889), (19, 1100427), (51, 409963), (57, 366809), (323, 64731), (969, 21577)]