20159692790

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{18495131}}^1$

素因数の和:18495247

約数の個数: 16

約数和(自身を含む): 36620361360

約数和(自身を除く): 16460668570

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 18495131, 36990262, 92475655, 184951310, 2015969279, 4031938558, 10079846395, 20159692790]

約数ペア:

[(1, 20159692790), (2, 10079846395), (5, 4031938558), (10, 2015969279), (109, 184951310), (218, 92475655), (545, 36990262), (1090, 18495131)]