20975900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19069}}^1$

素因数の和:19094

約数の個数: 36

約数和(自身を含む): 49658280

約数和(自身を除く): 28682380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 19069, 38138, 76276, 95345, 190690, 209759, 381380, 419518, 476725, 839036, 953450, 1048795, 1906900, 2097590, 4195180, 5243975, 10487950, 20975900]

約数ペア:

[(1, 20975900), (2, 10487950), (4, 5243975), (5, 4195180), (10, 2097590), (11, 1906900), (20, 1048795), (22, 953450), (25, 839036), (44, 476725), (50, 419518), (55, 381380), (100, 209759), (110, 190690), (220, 95345), (275, 76276), (550, 38138), (1100, 19069)]