413982020

素因数分解:

$2^2\times 5^1\times {\mathrm{20699101}}^1$

素因数の和:20699110

約数の個数: 12

約数和(自身を含む): 869362284

約数和(自身を除く): 455380264

約数列:

[1, 2, 4, 5, 10, 20, 20699101, 41398202, 82796404, 103495505, 206991010, 413982020]

約数ペア:

[(1, 413982020), (2, 206991010), (4, 103495505), (5, 82796404), (10, 41398202), (20, 20699101)]