2020339990

素因数分解:

$2^1\times 5^1\times {\mathrm{10357}}^1\times {\mathrm{19507}}^1$

素因数の和:29871

約数の個数: 16

約数和(自身を含む): 3637149552

約数和(自身を除く): 1616809562

約数列:

[1, 2, 5, 10, 10357, 19507, 20714, 39014, 51785, 97535, 103570, 195070, 202033999, 404067998, 1010169995, 2020339990]

約数ペア:

[(1, 2020339990), (2, 1010169995), (5, 404067998), (10, 202033999), (10357, 195070), (19507, 103570), (20714, 97535), (39014, 51785)]