20166321

素因数分解:

$3^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{2281}}^1$

素因数の和:2712

約数の個数: 16

約数和(自身を含む): 30816128

約数和(自身を除く): 10649807

約数列:

[1, 3, 7, 21, 421, 1263, 2281, 2947, 6843, 8841, 15967, 47901, 960301, 2880903, 6722107, 20166321]

約数ペア:

[(1, 20166321), (3, 6722107), (7, 2880903), (21, 960301), (421, 47901), (1263, 15967), (2281, 8841), (2947, 6843)]