12720588

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{9907}}^1$

素因数の和:10021

約数の個数: 24

約数和(自身を含む): 29961792

約数和(自身を除く): 17241204

約数列:

[1, 2, 3, 4, 6, 12, 107, 214, 321, 428, 642, 1284, 9907, 19814, 29721, 39628, 59442, 118884, 1060049, 2120098, 3180147, 4240196, 6360294, 12720588]

約数ペア:

[(1, 12720588), (2, 6360294), (3, 4240196), (4, 3180147), (6, 2120098), (12, 1060049), (107, 118884), (214, 59442), (321, 39628), (428, 29721), (642, 19814), (1284, 9907)]