20859080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47407}}^1$

素因数の和:47429

約数の個数: 32

約数和(自身を含む): 51200640

約数和(自身を除く): 30341560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 47407, 94814, 189628, 237035, 379256, 474070, 521477, 948140, 1042954, 1896280, 2085908, 2607385, 4171816, 5214770, 10429540, 20859080]

約数ペア:

[(1, 20859080), (2, 10429540), (4, 5214770), (5, 4171816), (8, 2607385), (10, 2085908), (11, 1896280), (20, 1042954), (22, 948140), (40, 521477), (44, 474070), (55, 379256), (88, 237035), (110, 189628), (220, 94814), (440, 47407)]