20880147176

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2374903}}^1$

素因数の和:2375073

約数の個数: 32

約数和(自身を含む): 45028179840

約数和(自身を除く): 24148032664

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 314, 628, 1099, 1256, 2198, 4396, 8792, 2374903, 4749806, 9499612, 16624321, 18999224, 33248642, 66497284, 132994568, 372859771, 745719542, 1491439084, 2610018397, 2982878168, 5220036794, 10440073588, 20880147176]

約数ペア:

[(1, 20880147176), (2, 10440073588), (4, 5220036794), (7, 2982878168), (8, 2610018397), (14, 1491439084), (28, 745719542), (56, 372859771), (157, 132994568), (314, 66497284), (628, 33248642), (1099, 18999224), (1256, 16624321), (2198, 9499612), (4396, 4749806), (8792, 2374903)]