20199167990

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{5037199}}^1$

素因数の和:5037607

約数の個数: 16

約数和(自身を含む): 36449179200

約数和(自身を除く): 16250011210

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 5037199, 10074398, 25185995, 50371990, 2019916799, 4039833598, 10099583995, 20199167990]

約数ペア:

[(1, 20199167990), (2, 10099583995), (5, 4039833598), (10, 2019916799), (401, 50371990), (802, 25185995), (2005, 10074398), (4010, 5037199)]