20543512

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4967}}^1$

素因数の和:5031

約数の個数: 32

約数和(自身を含む): 42923520

約数和(自身を除く): 22380008

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 88, 94, 188, 376, 517, 1034, 2068, 4136, 4967, 9934, 19868, 39736, 54637, 109274, 218548, 233449, 437096, 466898, 933796, 1867592, 2567939, 5135878, 10271756, 20543512]

約数ペア:

[(1, 20543512), (2, 10271756), (4, 5135878), (8, 2567939), (11, 1867592), (22, 933796), (44, 466898), (47, 437096), (88, 233449), (94, 218548), (188, 109274), (376, 54637), (517, 39736), (1034, 19868), (2068, 9934), (4136, 4967)]