9978820

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4663}}^1$

素因数の和:4779

約数の個数: 24

約数和(自身を含む): 21155904

約数和(自身を除く): 11177084

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 4663, 9326, 18652, 23315, 46630, 93260, 498941, 997882, 1995764, 2494705, 4989410, 9978820]

約数ペア:

[(1, 9978820), (2, 4989410), (4, 2494705), (5, 1995764), (10, 997882), (20, 498941), (107, 93260), (214, 46630), (428, 23315), (535, 18652), (1070, 9326), (2140, 4663)]