20807722

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{1823}}^1$

素因数の和:2277

約数の個数: 16

約数和(自身を含む): 33707520

約数和(自身を除く): 12899798

約数列:

[1, 2, 13, 26, 439, 878, 1823, 3646, 5707, 11414, 23699, 47398, 800297, 1600594, 10403861, 20807722]

約数ペア:

[(1, 20807722), (2, 10403861), (13, 1600594), (26, 800297), (439, 47398), (878, 23699), (1823, 11414), (3646, 5707)]