20263997

素因数分解:

${\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:380

約数の個数: 16

約数和(自身を含む): 22427328

約数和(自身を除く): 2163331

約数列:

[1, 13, 73, 131, 163, 949, 1703, 2119, 9563, 11899, 21353, 124319, 154687, 277589, 1558769, 20263997]

約数ペア:

[(1, 20263997), (13, 1558769), (73, 277589), (131, 154687), (163, 124319), (949, 21353), (1703, 11899), (2119, 9563)]