20040176639

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1\times {\mathrm{1861}}^1$

素因数の和:2447

約数の個数: 32

約数和(自身を含む): 23784026112

約数和(自身を除く): 3743849473

約数列:

[1, 7, 47, 71, 329, 461, 497, 1861, 3227, 3337, 13027, 21667, 23359, 32731, 87467, 132131, 151669, 229117, 612269, 857921, 924917, 1538357, 6005447, 6210157, 10768499, 40322287, 43471099, 60912391, 282256009, 426386737, 2862882377, 20040176639]

約数ペア:

[(1, 20040176639), (7, 2862882377), (47, 426386737), (71, 282256009), (329, 60912391), (461, 43471099), (497, 40322287), (1861, 10768499), (3227, 6210157), (3337, 6005447), (13027, 1538357), (21667, 924917), (23359, 857921), (32731, 612269), (87467, 229117), (132131, 151669)]