20299808

素因数分解:

$2^5\times {\mathrm{83}}^1\times {\mathrm{7643}}^1$

素因数の和:7736

約数の個数: 24

約数和(自身を含む): 40452048

約数和(自身を除く): 20152240

約数列:

[1, 2, 4, 8, 16, 32, 83, 166, 332, 664, 1328, 2656, 7643, 15286, 30572, 61144, 122288, 244576, 634369, 1268738, 2537476, 5074952, 10149904, 20299808]

約数ペア:

[(1, 20299808), (2, 10149904), (4, 5074952), (8, 2537476), (16, 1268738), (32, 634369), (83, 244576), (166, 122288), (332, 61144), (664, 30572), (1328, 15286), (2656, 7643)]