20534488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4201}}^1$

素因数の和:4267

約数の個数: 32

約数和(自身を含む): 42356160

約数和(自身を除く): 21821672

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 376, 611, 1222, 2444, 4201, 4888, 8402, 16804, 33608, 54613, 109226, 197447, 218452, 394894, 436904, 789788, 1579576, 2566811, 5133622, 10267244, 20534488]

約数ペア:

[(1, 20534488), (2, 10267244), (4, 5133622), (8, 2566811), (13, 1579576), (26, 789788), (47, 436904), (52, 394894), (94, 218452), (104, 197447), (188, 109226), (376, 54613), (611, 33608), (1222, 16804), (2444, 8402), (4201, 4888)]