20901708

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{4177}}^1$

素因数の和:4326

約数の個数: 36

約数和(自身を含む): 53227720

約数和(自身を除く): 32326012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 417, 556, 834, 1251, 1668, 2502, 4177, 5004, 8354, 12531, 16708, 25062, 37593, 50124, 75186, 150372, 580603, 1161206, 1741809, 2322412, 3483618, 5225427, 6967236, 10450854, 20901708]

約数ペア:

[(1, 20901708), (2, 10450854), (3, 6967236), (4, 5225427), (6, 3483618), (9, 2322412), (12, 1741809), (18, 1161206), (36, 580603), (139, 150372), (278, 75186), (417, 50124), (556, 37593), (834, 25062), (1251, 16708), (1668, 12531), (2502, 8354), (4177, 5004)]