20941636

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{66271}}^1$

素因数の和:66354

約数の個数: 12

約数和(自身を含む): 37112320

約数和(自身を除く): 16170684

約数列:

[1, 2, 4, 79, 158, 316, 66271, 132542, 265084, 5235409, 10470818, 20941636]

約数ペア:

[(1, 20941636), (2, 10470818), (4, 5235409), (79, 265084), (158, 132542), (316, 66271)]