20011953

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{3917}}^1$

素因数の和:4064

約数の個数: 16

約数和(自身を含む): 28961856

約数和(自身を除く): 8949903

約数列:

[1, 3, 13, 39, 131, 393, 1703, 3917, 5109, 11751, 50921, 152763, 513127, 1539381, 6670651, 20011953]

約数ペア:

[(1, 20011953), (3, 6670651), (13, 1539381), (39, 513127), (131, 152763), (393, 50921), (1703, 11751), (3917, 5109)]