20121746409

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{10496477}}^1$

素因数の和:10496557

約数の個数: 16

約数和(自身を含む): 30229856640

約数和(自身を除く): 10108110231

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 10496477, 31489431, 94468293, 283404879, 745249867, 2235749601, 6707248803, 20121746409]

約数ペア:

[(1, 20121746409), (3, 6707248803), (9, 2235749601), (27, 745249867), (71, 283404879), (213, 94468293), (639, 31489431), (1917, 10496477)]