12006820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{617}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 29070720

約数和(自身を除く): 17063900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 617, 695, 973, 1234, 1390, 1946, 2468, 2780, 3085, 3892, 4319, 4865, 6170, 8638, 9730, 12340, 17276, 19460, 21595, 43190, 85763, 86380, 171526, 343052, 428815, 600341, 857630, 1200682, 1715260, 2401364, 3001705, 6003410, 12006820]

約数ペア:

[(1, 12006820), (2, 6003410), (4, 3001705), (5, 2401364), (7, 1715260), (10, 1200682), (14, 857630), (20, 600341), (28, 428815), (35, 343052), (70, 171526), (139, 86380), (140, 85763), (278, 43190), (556, 21595), (617, 19460), (695, 17276), (973, 12340), (1234, 9730), (1390, 8638), (1946, 6170), (2468, 4865), (2780, 4319), (3085, 3892)]