2087202220

素因数分解:

$2^2\times 5^1\times {\mathrm{4759}}^1\times {\mathrm{21929}}^1$

素因数の和:26697

約数の個数: 24

約数和(自身を含む): 4384245600

約数和(自身を除く): 2297043380

約数列:

[1, 2, 4, 5, 10, 20, 4759, 9518, 19036, 21929, 23795, 43858, 47590, 87716, 95180, 109645, 219290, 438580, 104360111, 208720222, 417440444, 521800555, 1043601110, 2087202220]

約数ペア:

[(1, 2087202220), (2, 1043601110), (4, 521800555), (5, 417440444), (10, 208720222), (20, 104360111), (4759, 438580), (9518, 219290), (19036, 109645), (21929, 95180), (23795, 87716), (43858, 47590)]