20157544

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1459}}^1$

素因数の和:1633

約数の個数: 32

約数和(自身を含む): 41522400

約数和(自身を除く): 21364856

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 157, 314, 628, 1256, 1459, 1727, 2918, 3454, 5836, 6908, 11672, 13816, 16049, 32098, 64196, 128392, 229063, 458126, 916252, 1832504, 2519693, 5039386, 10078772, 20157544]

約数ペア:

[(1, 20157544), (2, 10078772), (4, 5039386), (8, 2519693), (11, 1832504), (22, 916252), (44, 458126), (88, 229063), (157, 128392), (314, 64196), (628, 32098), (1256, 16049), (1459, 13816), (1727, 11672), (2918, 6908), (3454, 5836)]