20189897329

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{17914727}}^1$

素因数の和:17914764

約数の個数: 12

約数和(自身を含む): 24507347904

約数和(自身を除く): 4317450575

約数列:

[1, 7, 23, 49, 161, 1127, 17914727, 125403089, 412038721, 877821623, 2884271047, 20189897329]

約数ペア:

[(1, 20189897329), (7, 2884271047), (23, 877821623), (49, 412038721), (161, 125403089), (1127, 17914727)]