20346789

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{2251}}^1$

素因数の和:2408

約数の個数: 16

約数和(自身を含む): 28537344

約数和(自身を除く): 8190555

約数列:

[1, 3, 23, 69, 131, 393, 2251, 3013, 6753, 9039, 51773, 155319, 294881, 884643, 6782263, 20346789]

約数ペア:

[(1, 20346789), (3, 6782263), (23, 884643), (69, 294881), (131, 155319), (393, 51773), (2251, 9039), (3013, 6753)]