20413884

素因数分解:

$2^2\times 3^1\times {\mathrm{431}}^1\times {\mathrm{3947}}^1$

素因数の和:4385

約数の個数: 24

約数和(自身を含む): 47755008

約数和(自身を除く): 27341124

約数列:

[1, 2, 3, 4, 6, 12, 431, 862, 1293, 1724, 2586, 3947, 5172, 7894, 11841, 15788, 23682, 47364, 1701157, 3402314, 5103471, 6804628, 10206942, 20413884]

約数ペア:

[(1, 20413884), (2, 10206942), (3, 6804628), (4, 5103471), (6, 3402314), (12, 1701157), (431, 47364), (862, 23682), (1293, 15788), (1724, 11841), (2586, 7894), (3947, 5172)]