13977940

素因数分解:

$2^2\times 5^1\times {\mathrm{701}}^1\times {\mathrm{997}}^1$

素因数の和:1707

約数の個数: 24

約数和(自身を含む): 29425032

約数和(自身を除く): 15447092

約数列:

[1, 2, 4, 5, 10, 20, 701, 997, 1402, 1994, 2804, 3505, 3988, 4985, 7010, 9970, 14020, 19940, 698897, 1397794, 2795588, 3494485, 6988970, 13977940]

約数ペア:

[(1, 13977940), (2, 6988970), (4, 3494485), (5, 2795588), (10, 1397794), (20, 698897), (701, 19940), (997, 14020), (1402, 9970), (1994, 7010), (2804, 4985), (3505, 3988)]