20208881

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{11411}}^1$

素因数の和:11452

約数の個数: 16

約数和(自身を含む): 26293248

約数和(自身を除く): 6084367

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 11411, 79877, 125521, 262453, 878647, 1837171, 2886983, 20208881]

約数ペア:

[(1, 20208881), (7, 2886983), (11, 1837171), (23, 878647), (77, 262453), (161, 125521), (253, 79877), (1771, 11411)]