20861912

素因数分解:

$2^3\times {\mathrm{601}}^1\times {\mathrm{4339}}^1$

素因数の和:4946

約数の個数: 16

約数和(自身を含む): 39190200

約数和(自身を除く): 18328288

約数列:

[1, 2, 4, 8, 601, 1202, 2404, 4339, 4808, 8678, 17356, 34712, 2607739, 5215478, 10430956, 20861912]

約数ペア:

[(1, 20861912), (2, 10430956), (4, 5215478), (8, 2607739), (601, 34712), (1202, 17356), (2404, 8678), (4339, 4808)]