20512019912

素因数分解:

$2^3\times {\mathrm{11831}}^1\times {\mathrm{216719}}^1$

素因数の和:228556

約数の個数: 16

約数和(自身を含む): 38463465600

約数和(自身を除く): 17951445688

約数列:

[1, 2, 4, 8, 11831, 23662, 47324, 94648, 216719, 433438, 866876, 1733752, 2564002489, 5128004978, 10256009956, 20512019912]

約数ペア:

[(1, 20512019912), (2, 10256009956), (4, 5128004978), (8, 2564002489), (11831, 1733752), (23662, 866876), (47324, 433438), (94648, 216719)]