20650190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{827}}^1$

素因数の和:1072

約数の個数: 32

約数和(自身を含む): 40777344

約数和(自身を除く): 20127154

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 227, 454, 827, 1135, 1654, 2270, 2497, 4135, 4994, 8270, 9097, 12485, 18194, 24970, 45485, 90970, 187729, 375458, 938645, 1877290, 2065019, 4130038, 10325095, 20650190]

約数ペア:

[(1, 20650190), (2, 10325095), (5, 4130038), (10, 2065019), (11, 1877290), (22, 938645), (55, 375458), (110, 187729), (227, 90970), (454, 45485), (827, 24970), (1135, 18194), (1654, 12485), (2270, 9097), (2497, 8270), (4135, 4994)]