20818223091

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{25990291}}^1$

素因数の和:25990386

約数の個数: 12

約数和(自身を含む): 30408641640

約数和(自身を除く): 9590418549

約数列:

[1, 3, 9, 89, 267, 801, 25990291, 77970873, 233912619, 2313135899, 6939407697, 20818223091]

約数ペア:

[(1, 20818223091), (3, 6939407697), (9, 2313135899), (89, 233912619), (267, 77970873), (801, 25990291)]