20687097

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{6379}}^1$

素因数の和:6452

約数の個数: 16

約数和(自身を含む): 29399040

約数和(自身を除く): 8711943

約数列:

[1, 3, 23, 47, 69, 141, 1081, 3243, 6379, 19137, 146717, 299813, 440151, 899439, 6895699, 20687097]

約数ペア:

[(1, 20687097), (3, 6895699), (23, 899439), (47, 440151), (69, 299813), (141, 146717), (1081, 19137), (3243, 6379)]