20001098523

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{183761}}^1$

素因数の和:183915

約数の個数: 32

約数和(自身を含む): 31330685952

約数和(自身を除く): 11329587429

約数列:

[1, 3, 7, 21, 71, 73, 213, 219, 497, 511, 1491, 1533, 5183, 15549, 36281, 108843, 183761, 551283, 1286327, 3858981, 13047031, 13414553, 39141093, 40243659, 91329217, 93901871, 273987651, 281705613, 952433263, 2857299789, 6667032841, 20001098523]

約数ペア:

[(1, 20001098523), (3, 6667032841), (7, 2857299789), (21, 952433263), (71, 281705613), (73, 273987651), (213, 93901871), (219, 91329217), (497, 40243659), (511, 39141093), (1491, 13414553), (1533, 13047031), (5183, 3858981), (15549, 1286327), (36281, 551283), (108843, 183761)]