11201720

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1451}}^1$

素因数の和:1655

約数の個数: 32

約数和(自身を含む): 25351920

約数和(自身を除く): 14150200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1451, 1544, 1930, 2902, 3860, 5804, 7255, 7720, 11608, 14510, 29020, 58040, 280043, 560086, 1120172, 1400215, 2240344, 2800430, 5600860, 11201720]

約数ペア:

[(1, 11201720), (2, 5600860), (4, 2800430), (5, 2240344), (8, 1400215), (10, 1120172), (20, 560086), (40, 280043), (193, 58040), (386, 29020), (772, 14510), (965, 11608), (1451, 7720), (1544, 7255), (1930, 5804), (2902, 3860)]