20398647

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{3167}}^1$

素因数の和:3302

約数の個数: 16

約数和(自身を含む): 28892160

約数和(自身を除く): 8493513

約数列:

[1, 3, 19, 57, 113, 339, 2147, 3167, 6441, 9501, 60173, 180519, 357871, 1073613, 6799549, 20398647]

約数ペア:

[(1, 20398647), (3, 6799549), (19, 1073613), (57, 357871), (113, 180519), (339, 60173), (2147, 9501), (3167, 6441)]