20362388

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{691}}^1$

素因数の和:887

約数の個数: 24

約数和(自身を含む): 36620640

約数和(自身を除く): 16258252

約数列:

[1, 2, 4, 53, 106, 139, 212, 278, 556, 691, 1382, 2764, 7367, 14734, 29468, 36623, 73246, 96049, 146492, 192098, 384196, 5090597, 10181194, 20362388]

約数ペア:

[(1, 20362388), (2, 10181194), (4, 5090597), (53, 384196), (106, 192098), (139, 146492), (212, 96049), (278, 73246), (556, 36623), (691, 29468), (1382, 14734), (2764, 7367)]