20109530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{287279}}^1$

素因数の和:287293

約数の個数: 16

約数和(自身を含む): 41368320

約数和(自身を除く): 21258790

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 287279, 574558, 1436395, 2010953, 2872790, 4021906, 10054765, 20109530]

約数ペア:

[(1, 20109530), (2, 10054765), (5, 4021906), (7, 2872790), (10, 2010953), (14, 1436395), (35, 574558), (70, 287279)]