20000455568

素因数分解:

$2^4\times {\mathrm{61153}}^1\times {\mathrm{20441}}^1$

素因数の和:81602

約数の個数: 20

約数和(自身を含む): 38753412108

約数和(自身を除く): 18752956540

約数列:

[1, 2, 4, 8, 16, 20441, 40882, 61153, 81764, 122306, 163528, 244612, 327056, 489224, 978448, 1250028473, 2500056946, 5000113892, 10000227784, 20000455568]

約数ペア:

[(1, 20000455568), (2, 10000227784), (4, 5000113892), (8, 2500056946), (16, 1250028473), (20441, 978448), (40882, 489224), (61153, 327056), (81764, 244612), (122306, 163528)]