20199335990

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28449769}}^1$

素因数の和:28449847

約数の個数: 16

約数和(自身を含む): 36870901920

約数和(自身を除く): 16671565930

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 28449769, 56899538, 142248845, 284497690, 2019933599, 4039867198, 10099667995, 20199335990]

約数ペア:

[(1, 20199335990), (2, 10099667995), (5, 4039867198), (10, 2019933599), (71, 284497690), (142, 142248845), (355, 56899538), (710, 28449769)]