20543908

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{66701}}^1$

素因数の和:66723

約数の個数: 24

約数和(自身を含む): 44823744

約数和(自身を除く): 24279836

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 66701, 133402, 266804, 466907, 733711, 933814, 1467422, 1867628, 2934844, 5135977, 10271954, 20543908]

約数ペア:

[(1, 20543908), (2, 10271954), (4, 5135977), (7, 2934844), (11, 1867628), (14, 1467422), (22, 933814), (28, 733711), (44, 466907), (77, 266804), (154, 133402), (308, 66701)]