20945343

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{9551}}^1$

素因数の和:9614

約数の個数: 16

約数和(自身を含む): 30260736

約数和(自身を除く): 9315393

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 9551, 28653, 162367, 410693, 487101, 1232079, 6981781, 20945343]

約数ペア:

[(1, 20945343), (3, 6981781), (17, 1232079), (43, 487101), (51, 410693), (129, 162367), (731, 28653), (2193, 9551)]