20865229

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{38711}}^1$

素因数の和:38736

約数の個数: 12

約数和(自身を含む): 26479008

約数和(自身を除く): 5613779

約数列:

[1, 7, 11, 49, 77, 539, 38711, 270977, 425821, 1896839, 2980747, 20865229]

約数ペア:

[(1, 20865229), (7, 2980747), (11, 1896839), (49, 425821), (77, 270977), (539, 38711)]