20008250680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{45473297}}^1$

素因数の和:45473319

約数の個数: 32

約数和(自身を含む): 49111161840

約数和(自身を除く): 29102911160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 45473297, 90946594, 181893188, 227366485, 363786376, 454732970, 500206267, 909465940, 1000412534, 1818931880, 2000825068, 2501031335, 4001650136, 5002062670, 10004125340, 20008250680]

約数ペア:

[(1, 20008250680), (2, 10004125340), (4, 5002062670), (5, 4001650136), (8, 2501031335), (10, 2000825068), (11, 1818931880), (20, 1000412534), (22, 909465940), (40, 500206267), (44, 454732970), (55, 363786376), (88, 227366485), (110, 181893188), (220, 90946594), (440, 45473297)]