20877142

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72997}}^1$

素因数の和:73023

約数の個数: 16

約数和(自身を含む): 36790992

約数和(自身を除く): 15913850

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 72997, 145994, 802967, 948961, 1605934, 1897922, 10438571, 20877142]

約数ペア:

[(1, 20877142), (2, 10438571), (11, 1897922), (13, 1605934), (22, 948961), (26, 802967), (143, 145994), (286, 72997)]