20473970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{499}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 40392000

約数和(自身を除く): 19918030

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 373, 499, 746, 998, 1865, 2495, 3730, 4103, 4990, 5489, 8206, 10978, 20515, 27445, 41030, 54890, 186127, 372254, 930635, 1861270, 2047397, 4094794, 10236985, 20473970]

約数ペア:

[(1, 20473970), (2, 10236985), (5, 4094794), (10, 2047397), (11, 1861270), (22, 930635), (55, 372254), (110, 186127), (373, 54890), (499, 41030), (746, 27445), (998, 20515), (1865, 10978), (2495, 8206), (3730, 5489), (4103, 4990)]