20637130

素因数分解:

$2^1\times 5^1\times {\mathrm{1103}}^1\times {\mathrm{1871}}^1$

素因数の和:2981

約数の個数: 16

約数和(自身を含む): 37200384

約数和(自身を除く): 16563254

約数列:

[1, 2, 5, 10, 1103, 1871, 2206, 3742, 5515, 9355, 11030, 18710, 2063713, 4127426, 10318565, 20637130]

約数ペア:

[(1, 20637130), (2, 10318565), (5, 4127426), (10, 2063713), (1103, 18710), (1871, 11030), (2206, 9355), (3742, 5515)]